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What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
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How to test if a string is JSON or not?
I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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Unit test, NUnit or Visual studio?
...te in NUnit but must be done using Try-Catch in MS-Test
[TestCase]! NUnit allows for parameter-ized tests.
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Multiple left-hand assignment with JavaScript
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Actually,
var var1 = 1, var2 = 1, var3 = 1;
is not equivalent to:
var var1 = var2 = var3 = 1;
The difference is in scoping:
function good() {
var var1 = 1, var2 = 1, var3 = 1;
}
function bad() {
var var1 = va...
How do I syntax check a Bash script without running it?
...is documented, and as the beginning of the manpage states, bash interprets all single-character options that set does.
– ephemient
Oct 5 '08 at 20:55
24
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How to split a string literal across multiple lines in C / Objective-C?
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There are two ways to split strings over multiple lines:
Using \
All lines in C can be split into multiple lines using \.
Plain C:
char *my_string = "Line 1 \
Line 2";
Objective-C:
NSString *my_string = @"Line1 \
Line2";
Better approach
Th...
Switch statement for string matching in JavaScript
...ode would match that in the "xxx.local" branch.
Update: Okay, so technically you can use a switch for substring matching, but I wouldn't recommend it in most situations. Here's how (live example):
function test(str) {
switch (true) {
case /xyz/.test(str):
display("• Matched '...
How to force the browser to reload cached CSS/JS files?
...write if there are exactly 10 digits at the end. (Because 10 digits covers all timestamps from 9/9/2001 to 11/20/2286.)
First, we use the following rewrite rule in .htaccess:
RewriteEngine on
RewriteRule ^(.*)\.[\d]{10}\.(css|js)$ $1.$2 [L]
Now, we write the following PHP function:
/**
* Give...
Markdown and image alignment
...de a class name like so (PHP Markdown Extra):
{.callout}
or, alternatively (Maruku, Kramdown, Python Markdown):
{: .callout}
Then, of course, you can use a stylesheet the proper way:
.callout {
float: right;
}
If yours supports this syn...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...ey remain blocked until the .NET garbage collector closes them for you by calling their Finalize() method.
You want to make sure that you are really closing the connection. For example the following code will cause a connection leak, if the code between .Open and Close throws an exception:
var conn...