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event.returnValue is deprecated. Please use the standard event.preventDefault() instead
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edited Dec 9 '15 at 23:32
Peter Souter
4,3272727 silver badges5858 bronze badges
answered Nov 18 '1...
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 ...
BigDecimal setScale and round
...ace to the right, the difference will become clear:
// 1.
new BigDecimal("35.3456").round(new MathContext(4, RoundingMode.HALF_UP));
//result = 35.35
// 2.
new BigDecimal("35.3456").setScale(4, RoundingMode.HALF_UP);
// result = 35.3456
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How SignalR works internally?
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edited Jan 8 '13 at 12:29
splattne
97.8k4949 gold badges200200 silver badges246246 bronze badges
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vagrant up failed, /dev/vboxnetctl: no such file or directory
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63
I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permissio...
C#: Raising an inherited event
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Official guidelines: msdn.microsoft.com/en-us/library/w369ty8x(VS.80).aspx
– meandmycode
Apr 16 '09 at 14:17
5
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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 to initialize all members of an array to the same value?
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23 Answers
23
Active
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How to listen for changes to a MongoDB collection?
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edited Mar 19 '17 at 5:33
jtlindsey
2,25711 gold badge2020 silver badges4343 bronze badges
answered M...