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JavaScript variables declare outside or inside loop?
...u've got yourself an accidental global.
In particular:
for (var i; i<100; i++)
do something;
for (var i; i<100; i++)
do something else;
Crockford will recommend you remove the second var (or remove both vars and do var i; above), and jslint will whinge at you for this. But IMO it'...
How can I get the corresponding table header (th) from a table cell (td)?
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answered Aug 19 '10 at 16:13
user113716user113716
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How to extract the substring between two markers?
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edited Oct 8 '13 at 15:50
CDMP
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answered Jan 12 '11 at 9:18
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How can I check if multiplying two numbers in Java will cause an overflow?
...nbcoughlan
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Omitting the second expression when using the if-else shorthand
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edited Jul 26 '18 at 16:03
answered Jun 17 '12 at 6:33
aj...
Why should a Java class implement comparable?
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How do I check what version of Python is running my script?
...int(sys.version) # parentheses necessary in python 3.
2.5.2 (r252:60911, Jul 31 2008, 17:28:52)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)]
For further processing:
>>> sys.version_info
(2, 5, 2, 'final', 0)
# or
>>> sys.hexversion
34014192
To ensure a script runs with a minim...
How to focus on a form input text field on page load using jQuery?
...").focus();
This also does the first text field, but you can change the [0] to another index:
$('input[@type="text"]')[0].focus();
Or, you can use the ID:
$("#someTextBox").focus();
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Redirect from an HTML page
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Try using:
<meta http-equiv="refresh" content="0; url=http://example.com/" />
Note: Place it in the head section.
Additionally for older browsers if you add a quick link in case it doesn't refresh correctly:
<p><a href="http://example.com/">Redirect<...
How to convert string to char array in C++?
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Simplest way I can think of doing it is:
string temp = "cat";
char tab2[1024];
strcpy(tab2, temp.c_str());
For safety, you might prefer:
string temp = "cat";
char tab2[1024];
strncpy(tab2, temp.c_str(), sizeof(tab2));
tab2[sizeof(tab2) - 1] = 0;
or could be in this fashion:
string temp = "ca...