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Fast Linux File Count for a large number of files
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printf("%s contains %ld files\n", argv[1], count);
return 0;
}
From my testing without regard to cache, I ran each of these about 50 times each against the same directory, over and over, to avoid cache-based data skew, and I got roughly the following performance numbers (in real clock ti...
One or more types required to compile a dynamic expression cannot be found. Are you missing referenc
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On your solution explorer window, right click to References, select Add Reference, go to .NET tab, find and add Microsoft.CSharp.
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MySQL: how to get the difference between two timestamps in seconds
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You could use the TIMEDIFF() and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in a...
Error 1022 - Can't write; duplicate key in table
...ere the constraints are currently in use you can use the following query:
SELECT `TABLE_SCHEMA`, `TABLE_NAME`
FROM `information_schema`.`KEY_COLUMN_USAGE`
WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory');
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How to delete projects in IntelliJ 12?
...n a file menu appears, you can right click the unwanted project folder and select Delete.
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What is the difference between a symbolic link and a hard link?
...reate one, but do not understand the use of a hard link and how it differs from a symbolic one.
21 Answers
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Design by contract using assertions or exceptions? [closed]
...t they are calling a function with a condition breach, but don't stop them from using it if they feel they know better. The breach could cause exceptions to occur, but I see that as a different thing.
– Matt_JD
May 22 '11 at 7:45
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How to create a database from shell command?
... I get this error ERROR 1046 (3D000) at line 27: No database selected when I run echo "create database databasename" | mysql -u -u username -p command
– keerthi
Mar 15 '13 at 5:16
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When to use dynamic vs. static libraries
...ns a.obj and b.obj and your DLL/EXE only references functions or variables from a.obj, the entirety of b.obj will get discarded by the linker. If b.obj contains global/static objects, their constructors and destructors will not get executed. If those constructors/destructors have side effects, you m...
How do I set default terminal to terminator? [closed]
...n a terminal, try
sudo update-alternatives --config x-terminal-emulator
Select the desired terminal from the list of alternatives.
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