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Check if multiple strings exist in another string
...he comprehension returns an iterable. But maybe later versions of Python already do this.
– emispowder
Mar 27 '13 at 1:06
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What's the most appropriate HTTP status code for an “item not found” error page
... with id=1 and it no longer exists when you try to update it, some other thread or process ignored your lock (or you didn't set one) and deleted it. That's not good. Alternatively, if you're trying to update object id=n (where n is provided to you) without first checking it exists, you're missing a ...
How random is JavaScript's Math.random?
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Read again. @David is only stating what kind of numbers there are between the limits, not the result of selecting N random numbers. I do admit the titling is misleading.
– nikc.org
Jun 3...
How to take a screenshot programmatically on iOS
...t {
NSInteger myDataLength = 320 * 480 * 4;
// allocate array and read pixels into it.
GLubyte *buffer = (GLubyte *) malloc(myDataLength);
glReadPixels(0, 0, 320, 480, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
// gl renders "upside down" so swap top to bottom into new array.
// t...
Insert Data Into Temp Table with Query
... });
}, "code-snippets");
StackExchange.read
Shuffling a list of objects
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If you happen to be using numpy already (very popular for scientific and financial applications) you can save yourself an import.
import numpy as np
np.random.shuffle(b)
print(b)
http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.shuffle....
Getting View's coordinates relative to the root layout
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the android api already provides the relative coordinate to the root. look here stackoverflow.com/a/36740277/2008214
– carlo.marinangeli
Aug 1 '16 at 10:29
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jQuery get selected option value (not the text, but the attribute 'value')
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From what I've read using an ID as a selector is the fastest method.
– Marcus
Oct 26 '12 at 15:35
add a comment
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bundle install returns “Could not locate Gemfile”
... Avoid using sudo to install gems. This will cause you pain. Read more: thoughtbot.com/blog/psa-do-not-use-system-ruby
– David Hempy
Mar 5 at 13:39
add a comment...
What is the difference between pull and clone in git?
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Miss Clone: I get a fresh copy to local.
Mr Pull: I already have it locally, I just updates it.
Miss Clone: I can do what you do! You are just my subset.
Mr Pull: Ditto!
Miss Clone: No, you don't create. This is what I do:
Create empty bare repository
Populate remote-...