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How can I convert an image into Base64 string using JavaScript?
...on firefox 35 on some images, the base64 is different from the base64 that php creates on the same image.
– hanshenrik
Mar 6 '15 at 2:39
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Detecting Unsaved Changes
...very keystroke. (I usually use it alongside change with JQuery's one(), in order to prevent multiple events.)
– SpazzMarticus
Oct 24 '18 at 10:59
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What are the ways to make an html link open a folder
...ery specific environment I know). In this instance, I use a html link to a php file and run:
shell_exec('cd C:\path\to\file');
shell_exec('start .');
This opens a local Windows explorer window.
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What is the best algorithm for overriding GetHashCode?
... /// <summary>
/// Gets a hashcode for a collection for that the order of items
/// does not matter.
/// So {1, 2, 3} and {3, 2, 1} will get same hash code.
/// </summary>
public static int GetHashCodeForOrderNoMatterCollection<T>(
IEnumerable<T> ...
TypeError: 'NoneType' object is not iterable in Python
... iterate over the return values to assign them to these three variables in order but I'm only getting None to iterate over"
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Rails: How does the respond_to block work?
... a bit. The entire class (responder) becomes the method implementation. In order to leverage method_missing, we need an instance of the class, so we're obliged to pass a callback into which they pass the method-like object. For someone who has coded in C-like languages for 20 some years, this is ver...
Keyboard Interrupts with python's multiprocessing Pool
...it until the process attempts to join on the pool, which you have to do in order to guarantee the jobs are complete, then you still suffer from the same problem which is the main process doesn't receive the KeyboardInterrupt while it it waiting on a the poll join operation.
– b...
How to declare an array in Python?
...*The default built-in Python type is called a list, not an array. It is an ordered container of arbitrary length that can hold a heterogenous collection of objects (their types do not matter and can be freely mixed). This should not be confused with the array module, which offers a type closer to th...
Assign an initial value to radio button as checked
...nchecked.
<input type="radio" name="gender" value="male" required <?php echo "checked"; ?>/>
<input type="radio" name="gender" value="female" required />
This will makes the "male" radio button checked.
<input type="radio" name="gender" value="male" <?php echo "checked"; ...
How do I set the time zone of MySQL?
...show a different datetime for existing timestamp columns as they are internally stored as UTC timestamps and externally displayed in the current MySQL timezone.
I made a cheatsheet here: Should MySQL have its timezone set to UTC?
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