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Deep null checking, is there a better way?
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answered Jan 17 '10 at 16:38
Eric LippertEric Lippert
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How to check if field is null or empty in MySQL?
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edited Feb 13 at 4:56
U10-Forward
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answered Feb 13 at 3:56
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Get current time in seconds since the Epoch on Linux, Bash
...ow '%(%s)T\n' -1
$ echo beg=$beg now=$now elapsed=$((now-beg))
beg=1583949610 now=1583953032 elapsed=3422
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What is the difference between compare() and compareTo()?
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Thomas Owens
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answered Jan 7 '09 at 13:00
Yuval AdamYu...
Who is listening on a given TCP port on Mac OS X?
...Prepend sudo (followed by a space) if you need information on ports below #1024.
The -n flag is for displaying IP addresses instead of host names. This makes the command execute much faster, because DNS lookups to get the host names can be slow (several seconds or a minute for many hosts).
The -P ...
Create a custom callback in JavaScript
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Unicode equivalents for \w and \b in Java regular expressions?
...ries using all three equivalent definitions with a test suite that checks 110,385,408 matches per run, and which I've run on a dozen different data configurations according to:
0 .. 7F the ASCII range
80 .. FF the non-ASCII Latin1 range
100 .. FFFF the non-Latin1 BMP...
Base64 Java encode and decode a string [duplicate]
... System.out.println("original value is \t" + str);
}
}
Java 6 - 10
import java.io.UnsupportedEncodingException;
import javax.xml.bind.DatatypeConverter;
public class EncodeString64 {
public static void main(String[] args) throws UnsupportedEncodingException {
String str...
Thread vs ThreadPool
...sts for new work items (I believe this is only in .NET 3.5)
If you queue 100 thread pool tasks, it will only use as many threads as have already been created to service these requests (say 10 for example). The thread pool will make frequent checks (I believe every 500ms in 3.5 SP1) and if there ar...
What does void* mean and how to use it?
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