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Immutable vs Unmodifiable collection
... collection of StringBuilder doesn't somehow "freeze" those objects.
Basically, the difference is about whether other code may be able to change the collection behind your back.
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How to execute a file within the python interpreter?
...ath/to/script.py").read(), globals())
This will execute a script and put all it's global variables in the interpreter's global scope (the normal behavior in most scripting environments).
Python 3 exec Documentation
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This, along with all the other conditional comments solutions, will not detect IE 10 / IE 11
– Lloyd Banks
Oct 5 '13 at 2:23
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AngularJS: Is there any way to determine which fields are making a form invalid?
...lowing code in an AngularJS application, inside of a controller,
which is called from an ng-submit function, which belongs to a form with name profileForm :
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
...that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
4 Answers
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Switch statement for greater-than/less-than
...for Windows was 10ms instead of 1ms.
if-immediate
This is the fastest in all tested environments, except in ... drumroll MSIE! (surprise, surprise). This is the recommended way to implement it.
if (val < 1000) { /*do something */ } else
if (val < 2000) { /*do something */ } else
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if (val...
Postgresql: Scripting psql execution with password
How can I call psql so that it doesn't prompt for a password ?
15 Answers
15
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Is there “0b” or something similar to represent a binary number in Javascript
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Update:
Newer versions of JavaScript -- specifically ECMAScript 6 -- have added support for binary (prefix 0b), octal (prefix 0o) and hexadecimal (prefix: 0x) numeric literals:
var bin = 0b1111; // bin will be set to 15
var oct = 0o17; // oct will be set to 15
var...
Is it wrong to place the tag after the tag?
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@epalla: if you put the script right at the end of the body tag there's no other content left to load by the time it gets there, so there should be little difference between placing it outside or just inside. You then have the ...
uint8_t vs unsigned char
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It documents your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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