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PHP - Get key name of array value
...ort($arr)) removes the key names, and resorts to the default 0,1,2,etc index values. So if you're sorting, use asort (asort($arr)). This maintains the key values. php.net/manual/en/function.asort.php
– Rich701
Mar 9 '17 at 16:26
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
...ly force a Python script to drop into a REPL at an arbitrary point in its execution, even if the script was launched from the command line?
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
I am using XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3.
12 Answers
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How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That just mea...
Input size vs width
...ll be able to display at once.
However, unless the font specified is a fixed-width/monospace font, this is not a guarantee that the specified number of characters will actually be visible; in most fonts, different characters will be different widths. This question has some good answers relating to...
Eclipse HotKey: how to switch between tabs?
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CTRL+E (for a list of editor)
CTRL+F6 (for switching to the next editor through a list)
You can assign another shortcut to the 'Next Editor' key.
are the two official shortcuts, but they both involve a list being displayed.
CTRL+Page Up / CTRL+Page Down can cycle through editors with...
Change private static final field using Java reflection
...rid of final, and actually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class EverythingIsTrue {
static void setFinalStatic(Field field, Object newValue) throws Exception {
field.setAccessible(true);
Field modifiersField = Field.class.ge...
Detecting a redirect in ajax request?
I want to use jQuery to GET a URL and explicitly check if it responded with a 302 redirect, but not follow the redirect.
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How to check if command line tools is installed
I have a macbook pro with OS X 10.8.2.
XCode is installed. I know this as it appears in the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is ...
string.ToLower() and string.ToLowerInvariant()
...oLower might produce a culture specific lowercase letter, that you aren't expecting. Such as producing ınfo without the dot on the i instead of info and thus mucking up string comparisons. For that reason, ToLowerInvariant should be used on any non-language-specific data. When you might have use...