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What is a stack trace, and how can I use it to debug my application errors?
...n" java.lang.NullPointerException
at com.example.myproject.Book.getTitle(Book.java:16)
at com.example.myproject.Author.getBookTitles(Author.java:25)
at com.example.myproject.Bootstrap.main(Bootstrap.java:14)
This is a very simple stack trace. If we start at the beginning of...
Call An Asynchronous Javascript Function Synchronously
... thing is possible in JS."
No, it is impossible to block the running JavaScript without blocking the UI.
Given the lack of information, it's tough to offer a solution, but one option may be to have the calling function do some polling to check a global variable, then have the callback set data to...
How to get the input from the Tkinter Text Widget?
...ou remove the line, the window created will disappear
# immediately as the script stops running. This will happen so fast
# that you will not even see the window appearing on your screen.
# Keeping the mainloop running also lets you keep the
# program running until you press the close buton
root.mai...
How to get div height to auto-adjust to background size?
...ize before hand which you usually do. This will let you add overlay text, titles etc. with no negative padding or absolute positioning of the image. They key is to set the padding % to match the image aspect ratio as seen in the example below. I used this answer and essentially just added an image...
Cookies on localhost with explicit domain
...s to try this out, here's some useful code:
<html>
<head>
<title>
Testing cookies
</title>
</head>
<body>
<?php
header('HTTP/1.0 200');
$domain = 'fr.localexample.com'; // Change this to the domain you want to test.
if (!empty($_GET['v'])) {
$val = $_GE...
How to have conditional elements and keep DRY with Facebook React's JSX?
...perators even allow little tricks like this:
<h3>{this.state.banner.title || 'Default banner title'}</h3>
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Why wasn't PyPy included in standard Python?
...efore PyPy isn't necessarily as efficient for running glue code or trivial scripts.
PyPy and CPython behavior is not identical in all respects, especially when it comes to "implementation details" (behavior that is not specified by the language but is still important at a practical level).
CPython r...
Can comments be used in JSON?
...to:
{
"_comment": "comment text goes here...",
"glossary": {
"title": "example glossary",
"GlossDiv": {
"title": "S",
"GlossList": {
"GlossEntry": {
"ID": "SGML",
"SortAs": "SGML",
"GlossTerm": "Standard Ge...
What MIME type should I use for CSV?
...;/td><td>text/plain</td></tr><tr><td>Apps Scripts</td><td>JSON</td><td>application/vnd.google-apps.script+json</td></tr></tbody></table>
Source here:
https://developers.google.com/drive/v3/web/manage-downloads#do...
jQuery - If element has class do this
I need an jQuery script that will see if any element has an specific class and do an action like change position.
1 Answer
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