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pycharm running way slow

...karound to remedy the problem based on the analysis of the provided data. All the other "solutions" (like enabling Power Save mode and changing the highlighting level) will just hide the real problems that should be fixed. ...
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY

I am having issues installing an apk to my device. 25 Answers 25 ...
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How to shift a column in Pandas DataFrame

... @WaylonWalker That's called rolling in numpy: df['x2'] = np.roll(df['x2'], 1) – ayhan Nov 25 '17 at 17:35 1 ...
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Loading a properties file from Java package

...).getResourceAsStream("foo.properties"); prop.load(in); in.close(); (Add all the necessary exception handling). If your class is not in that package, you need to aquire the InputStream slightly differently: InputStream in = getClass().getResourceAsStream("/com/al/common/email/templates/foo.pro...
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Is there any way to prevent input type=“number” getting negative values?

...entered using the arrow buttons / spinner. However, the user can still manually enter in a negative number and have that field's value read as a negative number, thus bypassing the min attribute. – ecbrodie Jul 14 '15 at 15:49 ...
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Easy way to concatenate two byte arrays

... Additionally this is far easier when working with more than just 2 byte arrays. – gardarh Apr 17 '13 at 10:16 3 ...
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Programmatically create a UIView with color gradient

... Objective-C: UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 50)]; CAGradientLayer *gradient = [CAGradientLayer layer]; gradient.frame = view.bounds; gradient.colors = @[(id)[UIColor whiteColor].CGColor, (id)[UIColor blackColor].CGColor]; [v...
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Applicatives compose, monads don't

...t a value in s can determine the behaviour of a computation in m t. Monads allow interference between the value and computation layers. The (<*>) operator allows no such interference: the function and argument computations don't depend on values. This really bites. Compare miffy :: Monad m =&...
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Best Practice for Forcing Garbage Collection in C#

... According to MSDN: "It is possible to force garbage collection by calling Collect, but most of the time, this should be avoided because it may create performance issues. " However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then ...
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http HEAD vs GET performance

... would focus on designing the ideal REST interface. A clean REST API is usually more valuable in the long run than a kludgey API that may or may not be faster. I'm not discouraging the use of HEAD, just suggesting that you only use it if it's the "right" design. If the information you need really i...