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What are all the escape characters?
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\r Insert a carriage return in the text at this point.
\f Insert a formfeed in the text at this point.
\' Insert a single quote character in the text at this point.
\" Insert a double quote character in the text at this point.
\\ Insert a backslash character in the text at this poin...
jQuery - getting custom attribute from selected option
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Simpler syntax if one form.
var option = $('option:selected').attr('mytag')
... if more than one form.
var option = $('select#myform option:selected').attr('mytag')
sha...
Android Get Current timestamp?
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You can use the SimpleDateFormat class:
SimpleDateFormat s = new SimpleDateFormat("ddMMyyyyhhmmss");
String format = s.format(new Date());
share
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raw_input function in Python
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raw_input is a form of input that takes the argument in the form of a string whereas the input function takes the value depending upon your input.
Say, a=input(5) returns a as an integer with value 5 whereas
a=raw_input(5) returns a a...
Join vs. sub-query
...) in programming". However, naturally there are programming areas where performance is paramount... Ideally, when one succeeds in reconciling one with another :)
– simhumileco
Oct 3 '17 at 13:31
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How to use the CancellationToken property?
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This is very useful information, but it does not answer the question asked at all.
– 11nallan11
Aug 13 '18 at 9:21
add a c...
Detecting 'stealth' web-crawlers
...e client claimed to be a legitimate spider but not on the whitelist, it performed DNS/reverse-DNS lookups to verify that the source IP address corresponds to the claimed owner of the bot. As a failsafe, these actions were reported to the admin by email, along with links to black/whitelist the addre...
CSS3 :unchecked pseudo-class
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This isn't always possible. Form elements in particular are notorious for not allowing you to revert them to their default look and feel via cascading rules. (Though why anyone would want to give only checked or only unchecked inputs a custom look and f...
Converting integer to binary in python
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>>> '{0:08b}'.format(6)
'00000110'
Just to explain the parts of the formatting string:
{} places a variable into a string
0 takes the variable at argument position 0
: adds formatting options for this variable (otherwise it would repre...
How to detect input type=file “change” for the same file?
...he change event fire to post to the server. My example uses the the jQuery form plugin.
$('input[type=file]').click(function(){
$(this).attr("value", "");
})
$('input[type=file]').change(function(){
$('#my-form').ajaxSubmit(options);
})
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