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Is there a replacement for unistd.h for Windows (Visual C)?
...n't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'.
I know I can replace the random functions, and I'm pretty sure I can find/hack-up a getopt implementation.
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What exactly do “IB” and “UB” mean?
I've seen the terms "IB" and "UB" used several times, particularly in the context of C++. I've tried googling them, but apparently those two-letter combinations see a lot of use. :P
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Find the IP address of the client in an SSH session
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@cwd i want to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
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Use '=' or LIKE to compare strings in SQL?
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LIKE and the equality operator have different purposes, they don't do the same thing:
= is much faster, whereas LIKE can interpret wildcards. Use = wherever you can and LIKE wherever you must.
SELECT * FROM user WHERE login LIKE ...
How to catch SQLServer timeout exceptions
...d to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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Interpolating a string into a regex
...o}/
then the periods in your match text are treated as regexp wildcards, and "0.0.0.0" will match "0a0b0c0".
Note also that if you really just want to check for a substring match, you can simply do
if goo.include?(foo)
which doesn't require an additional quoting or worrying about special chara...
Querying data by joining two tables in two database on different servers
...you can also use OPENQUERY to execute a SQL statement on the remote server and transfer only the data back to you. This can be a bit faster, and it will let the remote server optimize your query. If you cache the data in a temporary (or in-memory) table on DB1 in the example above, then you'll be ...
How to check if current thread is not main thread
...eturn null if the thread is not associated with a Looper. So both are safe and have the same result but the first one is a little bit slower while it searches inside a map to find out the looper and its associated thread and do some other stuff .
– Saeed Masoumi
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...t of the line)
Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.
If the LoadModule rewrite_module modules/mod_rewrite.so line is missing from the httpd.conf file entirely, just add it.
Sample command
To enable the m...
What does the Subversion status symbol “~” mean?
... file. Any idea on how to fix that? Do I need to delete it from subversion and add it again?
– jergason
May 12 '09 at 15:47
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