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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
...stinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere tradition. However, if you'd like to write code which is platform specific (shame on you), the system property sun.arch.data.model has the value "32", "64", or "unknown".
An example w...
How do I get the height and width of the Android Navigation Bar programmatically?
...re the resource identifiers going to be subject to change across different platform versions?
– Ben Pearson
Oct 30 '14 at 19:10
59
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How can I determine if a .NET assembly was built for x86 or x64?
...=1.0.0.0, Culture=neut...
Here, ProcessorArchitecture identifies target platform.
Amd64: A 64-bit processor based on the x64 architecture.
Arm: An ARM processor.
IA64: A 64-bit Intel Itanium processor only.
MSIL: Neutral with respect to processor and bits-per-word.
X86: A 32-bit Intel processor...
How to check if there exists a process with a given pid in Python?
...sutil module:
psutil (python system and process utilities) is a cross-platform library for retrieving information on running processes and system utilization (CPU, memory, disks, network) in Python. [...] It currently supports Linux, Windows, OSX, FreeBSD and Sun Solaris, both 32-bit and 64-bit...
Total memory used by Python process?
...
psutil is cross platform and can return the same values as the ps command line tool: pythonhosted.org/psutil/#psutil.Process.memory_info
– amos
Jul 3 '14 at 21:38
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Eclipse hangs on loading workbench
... eclipse. You might want to adapt the script to your needs. If you add new platforms please edit the script right in this answer.
#!/bin/bash
# WF 2014-03-14
#
# ceclipse:
# start Eclipse cleanly
#
# this script calls eclipse with -clean and -clearPersistedState
# if an instance of eclipse is...
Do spurious wakeups in Java actually happen?
... it's in the spec (as a possibility) because of limitations of some of the platforms which Java gets deployed on? although I may be wrong!
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Ternary operator is twice as slow as an if-else block?
...T them, then lots of times for more accuracy
Use Stopwatch
Results with /platform:x64 (without the "ignore" lines):
if/else with 1 iterations: 17ms
conditional with 1 iterations: 19ms
if/else with 1000 iterations: 17875ms
conditional with 1000 iterations: 19089ms
Results with /platform:x86 (wit...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
...'s not faster.
If you really care, compile with assembler output for your platform and look to see.
It doesn't matter. This never matters. Write your infinite loops however you like.
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Test if executable exists in Python?
... find it useful to add this to the top of the function: import sys; if sys.platform == "win32" and not program.endswith(".exe"): program += ".exe". This way under Windows you can refer to either "calc" or "calc.exe", just like you could in a cmd window.
– Kevin Ivarsen
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