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How to loop through a plain JavaScript object with the objects as members?
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for (var key in validation_messages) {
// skip loop if the property is from prototype
if (!validation_messages.hasOwnProperty(key)) continue;
var obj = validation_messages[key];
for (var prop in obj) {
// skip...
Simple Digit Recognition OCR in OpenCV-Python
...n OCR" in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV.
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What's an easy way to read random line from a file in Unix command line?
...here is also a utility called rl. In Debian it's in the randomize-lines package that does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was created, I believe). shuf is part of the GNU coreuti...
What is mutex and semaphore in Java ? What is the main difference?
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EricEric
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Splitting a list into N parts of approximately equal length
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This code is broken due to rounding errors. Do not use it!!!
assert len(chunkIt([1,2,3], 10)) == 10 # fails
Here's one that could work:
def chunkIt(seq, num):
avg = len(seq) / float(num)
out = []
last = 0.0
while last...
Select all elements with “data-” attribute without using jQuery
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JoeJoe
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Convert JSON String To C# Object
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It looks like you're trying to deserialize to a raw object. You could create a Class that represents the object that you're converting to. This would be most useful in cases where you're dealing with larger objects or JSON String...
Grant **all** privileges on database
... recommended that you create a user with only database privileges for that kind of use.
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How to open an elevated cmd using command line for Windows?
...art-Process cmd -Verb RunAs" and press Enter
A pop-up window will appear asking to open a CMD as administrator
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What is the best way to profile javascript execution? [closed]
Is there a good profiler for javascript? I know that firebug has some support for profiling code. But I want to determine stats on a longer scale.
Imagine you are building a lot of javascript code and you want to determine what are actually the bottlenecks in the code. At first I want to see profil...