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Foreign Key to non-primary key
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Don't get me wrong, I'm all for normalization, but sometimes pragmatism wins over idealism. If a mediocre design can be helped with a band-aid, surgery might be avoided.
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Optimizing away a “while(1);” in C++0x
...a potentially
non-terminating loop. For example, assume we have the following loops,
where count and count2 are global variables (or have had their address
taken), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p...
How to remove all characters after a specific character in python?
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.partition wins -- 0.756 usec per loop, vs 1.13 for .split (comment formatting doesn't really let me show the exact tests, but I'm using @Ayman's text and separator) -- so, +1 for @Ayman's answer!
– Alex Martelli
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Drawing an SVG file on a HTML5 canvas
...VG (string) paths. In other words, you can write:
var path = new Path2D('M 100,100 h 50 v 50 h 50');
ctx.stroke(path);
Live example of that here.
Old posterity answer:
There's nothing native that allows you to natively use SVG paths in canvas. You must convert yourself or use a library to do it fo...
ImportError: No module named matplotlib.pyplot
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can you elaborate a bit more. I am facing the same issues .
– Akash Kandpal
Jan 24 '18 at 9:11
1
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How to detect Ctrl+V, Ctrl+C using JavaScript?
...ctrl+c I remember what they're clicked on, ctrl+v I duplicate it, everyone wins.
– Dan F
May 2 '12 at 11:26
2
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How can I generate UUID in C#
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I can't test this, but are you sure you should check the BitConverter.IsLittleEndian rather than just always reversing. The docs for for Guid.ToByteArray() call out the byte order as little endian, and say the constructor matches. The spec for GUID is little endian. I would thin...
Build android release apk on Phonegap 3.x CLI
...f the answer here, at Phonegap documentation. The full process is the following:
Open a command line window, and go to /path/to/your/project/platforms/android/cordova.
Run build --release. This creates an unsigned release APK at /path/to/your/project/platforms/android/bin folder, called YourAppNam...
What is the difference between encode/decode?
... that have nothing to do with character sets, and thus can be applied to 8-bit strings in a meaningful way:
>>> s.encode('zip')
'x\x9c;\xbc\r\x00\x02>\x01z'
You are right, though: the ambiguous usage of "encoding" for both these applications is... awkard. Again, with separate byte and...
How to impose maxlength on textArea in HTML using JavaScript
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window.onload = function() {
var txts = document.getElementsByTagName('TEXTAREA');
for(var i = 0, l = txts.length; i < l; i++) {
if(/^[0-9]+$/.test(txts[i].getAttribute("maxlength"))) {
var func = functio...