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What is the difference between “int” and “uint” / “long” and “ulong”?
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This is quite fun to work out by hand. A 32-bit signed variable uses 1 bit for the sign (positive or negative) so can store values between -2^31 and +2^31 - 1
– Jaco Pretorius
Sep 16 '10 at 8:29
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How to convert an Int to a String of a given length with leading zeros to align?
How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ?
7 Answers
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Elements order in a “for (… in …)” loop
...[i,obj[i]].join(':'));
console.log(arr);
}
var obj = { a:1, b:2, c:3, "123":'xyz' };
/* log1 */ lineate(obj);
obj.a = 4;
/* log2 */ lineate(obj);
delete obj.a;
obj.a = 4;
/* log3 */ lineate(obj);
gist or test in current browser
Safari 5, Firefox 14
["a:1", "b:2", "c:3", "123:xyz"]
["a:4",...
Inspect hovered element in Chrome?
...o view, through Chrome's developer tools, how tooltips are structured on a site. However, even when I am hovered over the item, when I "inspect element", nothing shows for the tooltip in the html. I know I can set the Style to :hover , but I still can't see the html or css of the tooltip.
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Fastest way to check if a string matches a regexp in ruby?
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This is a simple benchmark:
require 'benchmark'
"test123" =~ /1/
=> 4
Benchmark.measure{ 1000000.times { "test123" =~ /1/ } }
=> 0.610000 0.000000 0.610000 ( 0.578133)
"test123"[/1/]
=> "1"
Benchmark.measure{ 1000000.times { "test123"[/1/] } }
=> 0.718000 ...
display: inline-block extra margin [duplicate]
...g: 0 fixes the spacing but word-spacing: -1em does not. Firefox is the opposite. I'd remove the whitespace between the elements in the html code if possible. Don't yet know what IE7 does...
– coltraneofmars
Dec 15 '10 at 19:57
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Python-equivalent of short-form “if” in C++ [duplicate]
Is there a way to write this C/C++ code in Python?
a = (b == true ? "123" : "456" )
4 Answers
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Converting a string to an integer on Android
...th4number";
int i=Integer.parseInt(s.replaceAll("[\\D]", ""));
output:
i=1234;
If you need first number combination then you should try below code:
String s="abc123xyz456";
int i=NumberFormat.getInstance().parse(s).intValue();
output:
i=123;
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How to remove certain characters from a string in C++?
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// output: 555 5555555
cout << str << endl;
To use as function:
void removeCharsFromString( string &str, char* charsToRemove ) {
for ( unsigned int i = 0; i < strlen(charsToRemove); ++i ) {
str.erase( remove(str.begin(), str.end(), charsToRemove[i]), str.end() )...
Java EE web development, where do I start and what skills do I need? [closed]
...JSF 2.3 available.
Last but not least, please ignore code snippet scraping sites maintained by amateurs with primary focus on advertisement income instead of on teaching, such as roseindia, tutorialspoint, javabeat, journaldev, javatpoint, codejava, etc. They are easily recognizable by disturbing ad...