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How to include JavaScript file or library in Chrome console?
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edited Feb 17 '15 at 11:17
answered Mar 12 '11 at 11:42
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Need a good hex editor for Linux [closed]
I need a good HEX editor for Linux, and by good I mean:
4 Answers
4
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FormData.append(“key”, “value”) is not working
Can you tell me whats wrong with this:
8 Answers
8
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Java HashMap performance optimization / alternative
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As many people pointed out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get...
Row count with PDO
...ber_of_rows = $result->fetchColumn();
Not the most elegant way to do it, plus it involves an extra query.
PDO has PDOStatement::rowCount(), which apparently does not work in MySql. What a pain.
From the PDO Doc:
For most databases,
PDOStatement::rowCount() does not
return the number ...
How can I catch all the exceptions that will be thrown through reading and writing a file?
... throws SomeCheckedException {
// code
}
Then later you can deal with the exceptions if you don't wanna deal with them in that method.
To catch all exceptions some block of code may throw you can do: (This will also catch Exceptions you wrote yourself)
try {
// exceptional block of c...
How does C compute sin() and other math functions?
...e that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible and also accurat...
jQuery returning “parsererror” for ajax request
...ntly encountered this problem and stumbled upon this question.
I resolved it with a much easier way.
Method One
You can either remove the dataType: 'json' property from the object literal...
Method Two
Or you can do what @Sagiv was saying by returning your data as Json.
The reason why this p...
Add spaces before Capital Letters
Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals"
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Remove redundant paths from $PATH variable
...at would be for the current session, if you want to change permanently add it to any .bashrc, bash.bashrc, /etc/profile - whatever fits your system and user needs.
Note: This is for Linux. We'll make this clear for new coders. (` , ') Don't try to SET = these.
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