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Does Java casting introduce overhead? Why?
...t objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
5 Answers
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Autocompletion in Vim
...fault. You have to "hack" it to make it work with JavaScript, ActionScript and PHP. Here I explain how I do it. And here is another hint for PHP.
– romainl
Mar 2 '11 at 20:07
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
I was following this ( http://developer.android.com/google/play-services/setup.html#Install ). It asked me to install Google APIs for Android API 17 (or higher) but when i opened SDK Manager, this is how it looked like:
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What is the purpose of XORing a register with itself? [duplicate]
...t is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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What is Full Text Search vs LIKE
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In general, there is a tradeoff between "precision" and "recall". High precision means that fewer irrelevant results are presented (no false positives), while high recall means that fewer relevant results are missing (no false negatives). Using the LIKE operator gives you 100%...
How to convert a PIL Image into a numpy array?
Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
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Git merge reports “Already up-to-date” though there is a difference
I have a git repository with 2 branches: master and test.
15 Answers
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VS 2010 Test Runner error “The agent process was stopped while the test was running.”
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I've just experienced the similar problem: some tests fail and they are different in different test runs. I don't know exactly the reason why it happens, but it began to occur when I added a finalizer to one of my classes. When I disable the finalizer - the problem disappears. When I...
Setting the selected value on a Django forms.ChoiceField
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the tuples represent (value, label) pairs for the options and you want to specify the initial value - so the '3' refers to the first item.
– Tom
Oct 29 '17 at 10:19
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pdftk compression option
I use pdftk to compress a pdf using the following command line
10 Answers
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