text stringlengths 138 33.6k | meta dict |
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Q:
How can I merge several hashes into one hash in Perl?
In Perl, how do I get this:
$VAR1 = { '999' => { '998' => [ '908', '906', '0', '998', '907' ] } };
$VAR1 = { '999' => { '991' => [ '913', '920', '918', '998', '916', '919', '917', '915', '912', '914' ] } };
$VAR1 = { '999' => { '996' => [] } };
$VAR1 = { '99... | {
"pile_set_name": "StackExchange"
} |
Q:
change space between ticks in first y-axis in plt.imshow
Hey I have used the following code:
import matplotlib.pyplot as plt
import numpy as np
Class1=np.array([[1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.], [1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.], [1., ... | {
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} |
Q:
Why ListList is List> but not List>
I have a generic interface interface ListList<E> extends List<List<E>>. For some reasons, I can't cast ListList<? super T> to List<List<? super T>>. Is there any way of doing it and why it doesn't work?
By this moment I've already tried the following:
Simple assignment, this wa... | {
"pile_set_name": "StackExchange"
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Q:
C linked list implementation
For the following C linked list implementation, please give me some suggestions for improved efficiency, style and design. This implementation is not 100% complete, please give some suggestions for additional features. Notice the data type for the list is void*, I want it to be as gene... | {
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Q:
auto height for a html div auto scrolling - Div to take remaining height
i have a very simple but confusing problem what issue i am having is that i have some div. first div which is fixed to top right with height 100% and this div has 2 more div inside div2 and div3 both should be scrolled .
one the uper div2 var... | {
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Q:
Python : error when insert mysql database
I'm using Ejabberd xmpp/jabber server and I'm trying to insert data into mysql database using Python
What I'm doing is :
username = "user1"
email = "user1@domain.tld"
vCard = ("<vCard xmlns='vcard-temp'><VERSION>3.0</VERSION><ADR><HOME/></ADR><ADR><WORK/></ADR><TEL><HOME/>... | {
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} |
Q:
C# wpf calculator
I'm making a calculator but I get an exception when I try to make a calculation with a decimal number. There is something wrong with with all sum1 += double.Parse(numEnt.Text);
But I'm a bit lost now:P
public partial class MainWindow : Window
{
double sum1 = 0;
double sum2 = 0;
st... | {
"pile_set_name": "StackExchange"
} |
Q:
ACUMATICA BQL QUERIES
I need to return records from the database using BQL. I have tried writing the BQL query like this
TaxZone zone = PXSelectJoin<TaxZone, InnerJoin<LocationExtAddress, On<TaxZone.taxZoneID, Equal<LocationExtAddress.cTaxZoneID>>, InnerJoin<Customer, On<Customer.bAccountID, Equal<LocationExtAddre... | {
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} |
Q:
Transform a 9x9 Matrix so that each row is a 3x3 Block
I have the following example data:
[0] = {01,02,03, 04,05,06, 07,08,09}
[1] = {11,12,13, 14,15,16, 17,18,19}
[2] = {21,22,23, 24,25,26, 27,28,29}
[3] = {31,32,33, 34,35,36, 37,38,39}
[4] = {41,42,43, 44,45,46, 47,48,49}
[5] = {51,52,53, 54,55,5... | {
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Q:
Anim Zemiros is highly anthropomorphic; how come we sing it in public?
Shir HaKovod - Anim Zemiros. This is amazingly anthropomorphic and all that without even once the word כביכול (= as if such a thing could be true). Admittedly the references come from texts such as Shir HaShirim but to make a poem from it, how... | {
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} |
Q:
Java 8 streams maintain specific map key order return from group by operation
I have a list with collections of TitleIsbnBean objects. I wrote the following code snippet to group by this collection by learning area type as below.
titleListByLearningArea = nonPackageIsbnList.stream()
.collect(groupingBy(Title... | {
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Q:
Horizontal list element evenly spaced and responsive
I am creating an unordered list that contains images and text, and would like each item to be 1/3rd the width with a margin, evenly spaced. I can't figure out how to ensure, in a responsive website, the items are always exactly 1/3rd the width, including margins... | {
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} |
Q:
No new line before form
First my code:
<?php
echo 'Hello
<FORM ACTION="uebung3.php" METHOD="post">
<P>
<LABEL FOR="vorname">Vorname: </LABEL>
<INPUT TYPE="text" NAME="vorname">
<LABEL FOR="nachname">Nachname: </LABEL>
<INPUT TYPE="textarea" NAME="nachname">
<LABEL FOR="email">E-Mail: </LABEL... | {
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Q:
¿Cómo se puede usar las dos columnas de resultado de un SELECT en un UPDATE en SQL?
Basicamente mi problema es que tengo una consulta bastante compleja para poder obtener la suma de productos que vendio cada empleado, la cual es la siguiente:
SELECT SUM(Quantity)AS productosven, EmployeeID FROM(SELECT Orders.Orde... | {
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} |
Q:
Replace path with another path with sed
I have a file with following lines:
some /foo/foo/foo some
some=/foo/foo/foo some
some /foo/foo/foo/ some
some=/foo/foo/foo/ some
some "/foo/foo/foo" some
some="/foo/foo/foo" some
some "/foo/foo/foo/" some
some="/foo/foo/foo/" some
some '/foo/foo/foo' some
some='/foo/foo/foo... | {
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} |
Q:
c++, "Error: initialization with '{...}' expected for aggregate object"
When compiling this code I get the error, "Error: initialization with '{...}' expected for aggregate object" at my function calls. I am compiling using Visual Studio 11.
#include <iostream>
#include <string>
#include <array>
using namespace st... | {
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Q:
Xml code in my database
<?xml version="1.0" standalone="yes"?>
<NewDataSet>
<ColSettings>
<Column1>Column1</Column1>
<Column2>Column2</Column2>
<Column3>Column3</Column3>
<Column4>Column4</Column4>
<Column5>Column5</Column5>
<Column6>Column6</Column6>
<Column7>Column7</Column7>
<Column8>Column8</Column8>
<Column9... | {
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} |
Q:
Exercise about conditional expectation
I have to show that for sigma-algebras $\mathcal{F, G}$ with $\mathcal{F}\subseteq \mathcal{G}$ and $X, Y$ real random variables with $\Bbb E[X^2] < \infty$ the following holds:
$$\Bbb{E}\bigl[(X-\Bbb{E}[X \mid \mathcal{G}])^2\bigr] + \Bbb E\bigl[(\Bbb E[X \mid \mathcal{G}]-... | {
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} |
Q:
JNI Unsatisfied link error in distributed jar
I have a java project that connects to a fingerprint scanner through a JNI library. I have the project running perfectly in netbeans with the jni files in the root directory of the java project. The problem occurs when I try and package it as a jar. Im having this erro... | {
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Q:
Parsing JSON in Flutter / Dart: () => Map , NoSuchMethodError - (array problem?)
Im still a bit new to Flutter / Dart and Ive struggled with parsing JSON for quite some time now. It seems like a daunting task to me, even though I think my JSON structure is not that complicated.
Your help would be greatly apprecia... | {
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} |
Q:
Exception in thread "AWT-EventQueue-0" java.lang.NoSuchMethodError: setControlKeepAliveTimeout(J)V
I have created a runnable jar for my project and when I try to execute it I am getting exception, but from eclipse it is executing fine
Exception in thread "AWT-EventQueue-0" java.lang.NoSuchMethodError: com.FTP.setC... | {
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} |
Q:
Scrollbar horizontal sendo rolada pela scrollbar vertical
Estou fazendo um pequeno teste com a scrollbar do Chrome Canary 74 no Android.
Li muito a respeito, mas não obtive resultados para o dispositivo mobile, e como não tenho pc, eu uso o Aide Web para programar.
No meu projeto, há apenas dois arquivos, um css e... | {
"pile_set_name": "StackExchange"
} |
Q:
Dynamic row range when calculating moving sum/average using window functions (SQL Server)
I'm currently working on a sample script which allows me to calculate the sum of the previous two rows and the current row. However, I would like to make the number '2' as a variable. I've tried declaring a variable, or direc... | {
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} |
Q:
AngularJS - Remove custom event listener
I have a non AngularJS snippet that is communicating with my AngularJS modules via custom events. Each of these AngularJS modules represents a different route. When I am leaving each route $onDestroy is triggered but does not remove the event listener. What am I missing to ... | {
"pile_set_name": "StackExchange"
} |
Q:
Graph Implementation in Java using adjacency list - v2
Updated version from Graph Implementation in Java using adjacency list
public class MyGraph {
// add vertex name as key, and neighbors as values in set
HashMap<String, HashSet<String>> adjList = new HashMap<>();
public void addVertex(String name) ... | {
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} |
Q:
On the coincidence (or non-coincidence) of two norms defined on the quotient of a given Hilbert $ C^{\ast} $-module by a certain linear subspace
Let $ A $ be a $ C^{\ast} $-algebra, $ I $ a closed two-sided ideal of $ A $, and $ \mathcal{E} $ a Hilbert $ A $-module. Let
$$
\mathcal{E}_{I}
\stackrel{\text{df}}{=}
\... | {
"pile_set_name": "StackExchange"
} |
Q:
Scala collection of dates and group by week
import java.time.LocalDate
case class Day(date: LocalDate, other: String)
val list = Seq(
Day(LocalDate.of(2016, 2, 1), "text"),
Day(LocalDate.of(2016, 2, 2), "text"), // Tuesday
Day(LocalDate.of(2016, 2, 3), "text"),
Day(LocalDate.of(2016, 2, 4), "text"),
D... | {
"pile_set_name": "StackExchange"
} |
Q:
Error while configuring multiple Navigation Properties to same table
I am having a weird issue with multiple navigation Properties to the same table.
My FuelBunkerType POCO class is configured like the following:
public class FuelBunkerType : IEventReportElement
{
public long Id { get; set; }
public s... | {
"pile_set_name": "StackExchange"
} |
Q:
Android: Simple XML SAX Parser - Displays Same Data Over and Over
I've created an XML parser which populates a listView with data obtained from an XML file. The problem is for some reason the listView shows the same data over and over instead of unique data for each listView item.
I'm not sure exactly what is cau... | {
"pile_set_name": "StackExchange"
} |
Q:
SQLite3 performance with OR of BETWEEN ranges
I have a quite big SQLite3 database table with a numeric indexed field on which I have to search for a list of ranges of values. As the numeric values are huge 64-bit numbers, a IN clause would not an option. The queries typically look like this:
SELECT * FROM sometabl... | {
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} |
Q:
DatagridView Event To allow Numbers, Backspace & Delete Keys Only VB.Net
How to alter the below code to accept Delete and BackSpace Keys also??
Private Sub DataGridView1_EditingControlShowing(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles DataGridView1.E... | {
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} |
Q:
MySQL "Foreign key constraint is incorrectly formed"
I have the follwing SQL commands:
CREATE TABLE IF NOT EXISTS `users`
(
`id` INTEGER NOT NULL auto_increment,
`username` VARCHAR(255) NOT NULL UNIQUE,
`password` VARCHAR(255) NOT NULL,
`root` TINYINT(1) DEFAULT 0,
`c... | {
"pile_set_name": "StackExchange"
} |
Q:
cocoa - screen not refreshing after CGEventPost mouse click
I am programatically generating mouse clicks when a user clicks a certain keyboard key (CapsLock).
So I do a left mouse down when CapsLock is switched on, then a left mouse up when CapsLock is switched off.
This behaves correctly in that if I for example ... | {
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} |
Q:
Array List Java
Please can somebody help me? I'm learning about Array List in Java, I found interesting things in this lesson (Stanford CS106a)
https://www.youtube.com/watch?v=YJ9FlCFi3c8&feature=youtu.be&list=PL84A56BC7F4A1F852&t=1385
But when I tried to run this program in Eclipse it gives me many errors :(
What... | {
"pile_set_name": "StackExchange"
} |
Q:
LINK : fatal error LNK1181:cannot open input file 'C:\OpenSSL-Win64\lib\libeay32.lib'
I have windows 7 - 64 bit with Visual studio 2013 ultimate. I am running npm install command and getting below errors:
npm info it worked if it ends with ok
npm info using npm@3.8.3
npm info using node@v5.10.0
npm info attempt re... | {
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} |
Q:
Equivalence definition for convergence in probability
Let $(X_n)$ be a sequnce of random variables in the probability space $(\Omega, \mathscr{F}, \mathbb{P}).$ Then $X_n \rightarrow X$ in probability if and only if $\mathbb{E} \min(|X_n - X|, 1) \rightarrow 0$ as $n \uparrow \infty.$
($\rightarrow)$ Let $Y_n = \m... | {
"pile_set_name": "StackExchange"
} |
Q:
Compilation error when passing Integer into generic method with Function>
I have some code with 3 overriding methods that perform the same operation ( code is identically for each method) on the Inputs, the only difference between them is the input parameter type
private List<String> extractDoubleValues(Function<M... | {
"pile_set_name": "StackExchange"
} |
Q:
How to merge data?
I have some group of data with different classes,in the form of below:
{{2, 3} -> 1, {1, 5} -> 1, {1, 1} -> 2, {2, 2} -> 2}
I need to merge the data of same class.Like this:
{1->{ {2,3},{1,5}},2->{{1,1},{2,2}} }
Merge[#[[2]] -> #[[1]] & /@ a, List]
This doesn't work well.
A:
Using the st... | {
"pile_set_name": "StackExchange"
} |
Q:
Issue with Json file for Highstock
I'm actually be doing a project in my studies and i will take json data from webservice for set it in highstock.
My webservice (file in php language) return actually this json format
[{"jour":"22","mois":"1","an":"10","heure":"10","minute":"0","p_ac":"143"},{"jour":"22","mois":"... | {
"pile_set_name": "StackExchange"
} |
Q:
Eliminate duplication in similar fake data access classes
Can I combine this two classes and have one fake db class?
public class FakeDb : Dictionary<string, List<string>>
{
public const string Table1 = "Table1";
public void AddToTable(string tableName, string line)
{
if(!ContainsKey(tableName... | {
"pile_set_name": "StackExchange"
} |
Q:
Detect Shift + Enter on physical keyboard in Android
In preparing my Android App for Chromebooks and use with physical keyboards I want to distinguish in an EditText between receiving an "Enter" (keyEvent 66) and an "Shift+Enter" (also keyEvent 66 apparently) from a physical keyboard. I have tried a number of diff... | {
"pile_set_name": "StackExchange"
} |
Q:
Stripping all '\n' from HTMLCalendar()
import calendar
def websiteCalendar(month, year):
return calendar.HTMLCalendar().formatmonth(year, month).rstrip("\n")
returns:
"<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" class=\"month\">\n<tr><th colspan=\"7\" class=\"month\">November 2016</th></tr>\n<tr>... | {
"pile_set_name": "StackExchange"
} |
Q:
Default generic on dynamic component (ReactTS)
My question is kinda to my previous one: ReactTS extend type by dynamic Component Props?
So lets say I've got the next lines:
type Base = {
baseProp: ...
}
type Extend = {
extendProp: ...
}
// use this if "as" undefined
type DefaultPropsToExtend = {
defa... | {
"pile_set_name": "StackExchange"
} |
Q:
Print a string in as few distinct characters as possible
The task is simple: print The quick brown fox jumps over the lazy dog using as few distinct characters in your source code as possible.
print "The quick brown fox jumps over the lazy dog" has a score of 29 characters, as all 26 lowercase letters appear at le... | {
"pile_set_name": "StackExchange"
} |
Q:
If $Y_i$ are the irr. components of $Y$, then $\overline{Y_i}$ are the irr. componens of $\overline{Y}$.
Got a real dumb question for ya. Suppose $Y$ is a subset of a topological space with irreducible components $Y_1, ... , Y_n$. Then $\overline{Y_1}, ... , \overline{Y_n}$ should be the irreducible components o... | {
"pile_set_name": "StackExchange"
} |
Q:
python find second occurence of a set in a column
I have a dataframe:
ID Status
100 X
100 Y
100 Y
100 Z
100 A
100 Y
100 Y
100 Y
100 X
100 X
100 Y
100 Y
200 A
200 B
... | {
"pile_set_name": "StackExchange"
} |
Q:
Nested wildcards with lower bounds
So I read through the main Java Generic FAQ and the single thing which is holding me up are nested wildcards with lower bounds. I want to give you an example of what I do understand, something specifically which works and how I view it. Maybe you could tell me the way I am thinki... | {
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} |
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