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What Every Programmer Should Know About Memory?
...l the arch-independent stuff still applies generally, e.g. to AArch64 / ARM32.
See also the Latency Bound Platforms section of this answer for important details about the effect of memory/L3 latency on single-threaded bandwidth: bandwidth <= max_concurrency / latency, and this is actually the pr...
“Debug certificate expired” error in Eclipse Android plugins
... -storepass android -keypass android -keyalg RSA -validity 14000
keytool.exe can be found in the JDK bin folder (e.g. C:\Program Files\Java\jdk1.6.0_31\bin\ on Windows).
ADT sets the first and last name on the certificate as "Android Debug", the organizational unit as "Android" and the two-letter...
How do I initialize a byte array in Java?
...
Denys SéguretDenys Séguret
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?
... overview mode:
JvmTop 0.3 alpha (expect bugs) amd64 8 cpus, Linux 2.6.32-27, load avg 0.12
http://code.google.com/p/jvmtop
PID MAIN-CLASS HPCUR HPMAX NHCUR NHMAX CPU GC VM USERNAME #T DL
3370 rapperSimpleApp 165m 455m 109m 176m 0.12% 0.00% S6U37 web 21
11272 v...
Write to UTF-8 file in Python
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Map Tiling Algorithm
...olor.
– robert king
Oct 20 '13 at 2:32
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Best way to obfuscate an e-mail address on a website?
...ersBob Somers
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Specifically, what's dangerous about casting the result of malloc?
... when compiling in 64-bit mode, your returned pointer will be truncated to 32-bits.
EDIT:
Sorry for being too brief. Here's an example code fragment for discussion purposes.
main()
{
char * c = (char *)malloc(2) ;
printf("%p", c) ;
}
Suppose that the returned heap pointer is something bi...
How do I convert dates in a Pandas data frame to a 'date' data type?
...
a time
0 1 2013-01-01
1 2 2013-01-02
2 3 2013-01-03
In [32]: df['time'] = df['time'].astype('datetime64[ns]')
In [33]: df
Out[33]:
a time
0 1 2013-01-01 00:00:00
1 2 2013-01-02 00:00:00
2 3 2013-01-03 00:00:00
...