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Is < faster than
...- B < 0
A = B --> A - B = 0
A > B --> A - B > 0
Now, when A < B the subtraction has to borrow a high-bit for the subtraction to be correct, just like you carry and borrow when adding and subtracting by hand. This "borrowed" bit was usually referred to as the carry bit a...
jquery disable form submit on enter
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The problem is if I have in the same form a textbox, now I can't add an enter(to make a new line) in textbox.
– Tikky
Mar 2 '17 at 12:44
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Which characters make a URL invalid?
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Here's a regex that will determine if the entire string contains only the characters above: /^[!#$&-;=?-[]_a-z~]+$/
– Leif Wickland
Oct 7 '11 at 17:01
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How to flip UIImage horizontally?
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Works great! iOS 9+ now also includes flipsForRightToLeftLayoutDirection, but it won't work for iOS 8+ apps yet.
– user246672
Jun 27 '16 at 23:40
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jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
...n policy. It only allows you to do XMLHTTPRequests to your own domain. See if you can use a JSONP callback instead:
$.getJSON( 'http://<url>/api.php?callback=?', function ( data ) { alert ( data ); } );
share
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Select unique or distinct values from a list in UNIX shell script
...only lines with no embedded spaces are handled correctly; to fix this, use IFS=$'\n' read -d '' -r -A u <file; print -l ${(u)u} instead.
– mklement0
Jan 18 '14 at 8:18
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Could not find an implementation of the query pattern
... Thank, I was indeed missing my equality, which was stupid of me. But I now I am getting the following error: Error 1 Could not find an implementation of the query pattern for source type 'SilverlightApplication1.Web.tblPersoon'. 'Where' not found.
– Schoof
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How to get the current time in milliseconds from C in Linux?
...ed obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime function instead of gettimeofday.
Here is an example of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#include <inttypes.h>
#include ...
OS X Bash, 'watch' command
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I believe watch only shows the first screenful of output. If you want to do something similar, change your_command to your_command 2>&1|head -10
– Mark Eirich
Nov 10 '13 at 15:36
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How to refresh Android listview?
... was keeping the array in memory for certain feature reasons. To fix it I now call adapter.clear(), and adapter.addAll(Array<T>) before calling notifyDataSetChanged()
– Michael DePhillips
Feb 26 '14 at 23:09
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