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UITextField text change event
... you can also set this in Nibs or Storyboards, and you don't have to write out excessive UITextFieldTextDidChangeNotification code
– PostCodeism
Feb 27 '13 at 17:57
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Does Java read integers in little endian or big endian?
...r that Java is big endian.
Reading through the responses I'd like to point out that bytes do indeed have an endian order, although mercifully, if you've only dealt with “mainstream” microprocessors you are unlikely to have ever encountered it as Intel, Motorola, and Zilog all agreed on the shift...
Why does volatile exist?
...to my semaphore*/
while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED);
}
Without volatile, the optimizer sees the loop as useless (The guy never sets the value! He's nuts, get rid of that code!) and my code would proceed without having acquired the semaphore, causing problems later on.
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What is SQL injection? [duplicate]
...ifferent kind of query than I intended. I trusted the dynamic content without verifying it, and executed the resulting SQL query blindly. That's where the trouble starts.
SQL injection is a fault in the application code, not typically in the database or in the database access library or framework...
Escape angle brackets in a Windows command prompt
...tml>
C:\WINDOWS> echo ^^^<html^^^>
^<html^>
One trick out of this nonsense is to use a command other than echo to do the output and quote with double quotes:
C:\WINDOWS> set/p _="<html>" <nul
<html>
C:\WINDOWS> set/p _="<html>" <nul | sort
<html...
NSLog the method name with Objective-C in iPhone
Currently, we are defining ourselves an extended log mechanism to print out the class name and the source line number of the log.
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Chaining multiple MapReduce jobs in Hadoop
...will help you with this: Chaining Jobs
You use the JobClient.runJob(). The output path of the data from the first job becomes the input path to your second job. These need to be passed in as arguments to your jobs with appropriate code to parse them and set up the parameters for the job.
I think tha...
How does this giant regex work?
...
is acutally:
eval(gzinflate(base64_decode(
This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine.
<?php
print gzinflate(base64_decode("7b1tVxs50jD8OXvO9R9Er3fanhhjm2Q2Y7ADIZCQSSA...
StringIO in Python3
...ered May 31 '16 at 16:04
Tiago CoutinhoTiago Coutinho
1,3101010 silver badges1616 bronze badges
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What is memory fragmentation?
...the context of C++ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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