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How important is the order of columns in indexes?
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Look at an index like this:
Cols
1 2 3
-------------
| | 1 | |
| A |---| |
| | 2 | |
|---|---| |
| | | |
| | 1 | 9 |
| B | | |
| |---| |
| | 2 | |
| |---| |
| | 3 | |
|---|---| |
See how restricting on A first, as your...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock). man clock says that since glibc 2.18 it is implemented with clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) in Linux.
clock_gettime(CLOCK_MONOTONIC, ...) provides nanosecond ...
How to Free Inode Usage?
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173
It's quite easy for a disk to have a large number of inodes used even if the disk is not very fu...
What is the usefulness of PUT and DELETE HTTP request methods?
...source with that URI …
For the full specification visit:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hij...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
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183
You can use the core with GDB in many ways, but passing parameters which is to be passed to the ...
Team Build Error: The Path … is already mapped to workspace
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23 Answers
23
Active
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Adding List.add() another list
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edited Jun 19 '13 at 21:12
answered Apr 15 '11 at 1:25
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How to view the list of compile errors in IntelliJ?
...t the same project (with a compilation error) looks like in Intellij IDEA 13.xx and Eclipse Kepler:
Relevant Links:
The maven project shown above : https://github.com/ajorpheus/CompileTimeErrors
FAQ For 'Eclipse Mode' / 'Automatically Compile' a project : http://devnet.jetbrains.com/docs/DOC-1...
Hour from DateTime? in 24 hours format
...hour but show it in 24 hours format.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
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Is there a way to automatically build the package.json file for Node.js projects
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edited Jun 13 '19 at 13:01
answered Dec 5 '12 at 17:22
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