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Truncating floats in Python
...using the IEEE floating-point format into the sequence of bits (assuming a 64-bit float)
0011111111010011001100110011001100110011001100110011001100110011
This is the closest value to 0.3 that can accurately be represented as an IEEE float. But if you write 0.29999999999999998 in a Python program,...
Convert NSNumber to int in Objective-C
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I produce an effect similar to the iOS 7 blur view?
...(UIImage*)getBlurredImage {
// You will want to calculate this in code based on the view you will be presenting.
CGSize size = CGSizeMake(200,200);
UIGraphicsBeginImageContext(size);
[view drawViewHierarchyInRect:(CGRect){CGPointZero, w, h} afterScreenUpdates:YES]; // view is the vi...
How to write a CSS hack for IE 11? [duplicate]
... the document mode to IE10 in the emulation settings - I am using Win10pro-64bit. Are you changing the user agent string instead? I previously tested it in Xp all the way to Win8.1 and found IE6-10 all worked properly with slash-9 as in this one: .selector { property:value\9; } My IE11 UAGENT in cas...
jQuery append() - return appended elements
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...ata in a file: One is a "binary" X.509 encoding, and the other is a "text" base64 encoding that usually starts with "-----BEGIN CERTIFICATE-----". These encode the same data but in different ways. Most systems accept both formats, but, if you need to, you can convert one to the other via openssl or ...
How can I tell if a library was compiled with -g?
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Even for Embedded linux based on kernel 2.6.35, xxx-objdump, xxx-nm works fine.
– agfe2
May 22 '14 at 11:44
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How to debug Lock wait timeout exceeded on MySQL?
...4, 8 row lock(s), undo log entries 1
MySQL thread id 3686635, query id 124164167 10.64.89.145 viget updating
DELETE FROM file WHERE file_id in ('6dbafa39-7f00-0001-51f2-412a450be5cc' )
Foreign key constraint fails for table `backoffice`.`attachment`:
,
CONSTRAINT `attachment_ibfk_2` FOREIGN KEY (`...
Why is XOR the default way to combine hashes?
... many (most?) cases greatly increases the likelihood of collisions in hash-based data structures.
– Drew Noakes
Nov 15 '16 at 12:38
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How to check if object (variable) is defined in R?
... looking for exists. Keep in mind that using exists with names used by R's base packages would return true regardless of whether you defined the variable:
> exists("data")
[1] TRUE
To get around this (as pointed out by Bazz; see ?exists), use the inherits argument:
> exists("data", inherit...