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How can I get the button that caused the submit from the form submit event?
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108
I leveraged document.activeElement as sketched in this answer: How to get the focused element ...
How to create a unique index on a NULL column?
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answered Oct 10 '08 at 14:17
willasaywhatwillasaywhat
2,3682020 silver badges2323 bronze badges
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How to create an object for a Django model with a many to many field?
...jango Docs about ManyToMany! much clearer then docs.djangoproject.com/en/1.10/topics/db/examples/many_to_many or docs.djangoproject.com/en/1.10/ref/models/fields, and also with the performance penalties for the different method included. Maybe you can update it for Django 1.9? (the set method)
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Android OpenGL ES and 2D
...have your canvas set up, you start by calling something like:
gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
After that you're ready to render a sprite.
First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html
However, this is th...
How to convert local time string to UTC?
...code, using local timezone "America/Los_Angeles", for the string "2001-2-3 10:11:12":
import pytz, datetime
local = pytz.timezone ("America/Los_Angeles")
naive = datetime.datetime.strptime ("2001-2-3 10:11:12", "%Y-%m-%d %H:%M:%S")
local_dt = local.localize(naive, is_dst=None)
utc_dt = local_dt.ast...
How to limit setAccessible to only “legitimate” uses?
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105
DO I NEED TO WORRY ABOUT THIS???
That depends entirely on what types of programs you're writi...
How can I make a div stick to the top of the screen once it's been scrolled to?
... {
background-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect t...
How to automatically generate a stacktrace when my program crashes
...ib.h>
#include <unistd.h>
void handler(int sig) {
void *array[10];
size_t size;
// get void*'s for all entries on the stack
size = backtrace(array, 10);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", sig);
backtrace_symbols_fd(array, size, STD...
Function to return only alpha-numeric characters from string?
..., percents and that all.
– Pere
Apr 10 '14 at 10:20
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'sudo gem install' or 'gem install' and gem locations
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answered Jan 22 '10 at 18:10
jonniijonnii
26.8k66 gold badges7575 silver badges106106 bronze badges
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