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Clear variable in python
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@Bnicholas However it's not like null in PHP, in that setting a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most othe...
How to compute the sum and average of elements in an array?
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@BramVanroy Short story: No, it does not set 'l' every single time. Long story: DanD's solution is to improve the performance/speed, because checking the length of an array every single iteration is slower than actually storing the length in a local variable and ref...
Printing 1 to 1000 without loop or conditionals
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For those curious enough to compile this: in g++, set -ftemplate-depth-1000. The default template recursion maximum is 500.
– Tom
Jan 3 '11 at 18:47
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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I'm trying to dynamically set glyphicon values (i.e., via their hex values) in ::after psedo. content: element (e.g., content: "\e043";). it doesn't seem to work for me so I'm assuming it doesn't work for hex values for glyphicons either?
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How to Test Facebook Connect Locally
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Edit your app at www.facebook.com/developers/ and set the "Site URL" to "http://localhost/myapppath".
When done - change it back.
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Why do we not have a virtual constructor in C++?
... Correct, they are defined static and constant, but just not allocated and set up.
– Marius
Jan 11 '18 at 15:12
Why can't I use switch statement on a String?
...ny effort to test whether there is any pair of numbers (x,y) for which the set of values (hash >> x) & ((1<<y)-1) would yield distinct values for every string whose hashCode is different, and (1<<y) is less than twice the number of strings (or at least not much greater than tha...
Android Shared preferences for creating one time activity (example) [closed]
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Setting values in Preference:
// MY_PREFS_NAME - a static String variable like:
//public static final String MY_PREFS_NAME = "MyPrefsFile";
SharedPreferences.Editor editor = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE)...
Best way to implement Enums with Core Data
...PaymentFrequencyWeekly = 3
} PaymentFrequency;
Then, declare getters and setters for your property. It's a bad idea to override the existing ones, since the standard accessors expect an NSNumber object rather than a scalar type, and you'll run into trouble if anything in the bindings or KVO system...
What's the best practice using a settings file in Python? [closed]
... to change config for a more privileged program is probably a questionable setup anyway.
– XTL
Dec 12 '12 at 13:36
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