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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
... USE_SBRK (0) */
/*#define USE_MMAP (0) */
#ifndef USE_PRINTF
#define USE_PRINTF (1)
#endif
#include <string.h>
#ifndef TLSF_USE_LOCKS
#define TLSF_USE_LOCKS (0)
#endif
#ifndef TLSF_STATISTIC
#define TLSF_STATISTIC (0)
#endif
#ifndef USE_MMAP
#define USE_M...
Android and setting width and height programmatically in dp units
...
You'll have to convert it from dps to pixels using the display scale factor.
final float scale = getContext().getResources().getDisplayMetrics().density;
int pixels = (int) (dps * scale + 0.5f);
...
Understanding colors on Android (six characters)
... And how to set textView transparency through code? I want to convert ARGB value to int, so I could use it afterwards in textView.setBackgroundColor(int color) method. Is it possible? Any other way to achieve it?
– Marek
Aug 13 '13 at 4:18
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What do the terms “CPU bound” and “I/O bound” mean?
...
It's pretty intuitive:
A program is CPU bound if it would go faster if the CPU were faster, i.e. it spends the majority of its time simply using the CPU (doing calculations). A program that computes new digits of π will typically be CP...
How to access environment variable values?
...:\Python. If you want to find out while running python you can do:
import sys
print(sys.prefix)
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Conditional import of modules in Python
... user; here's pySerial doing it as an example.
serial/__init__.py
import sys
if sys.platform == 'cli':
from serial.serialcli import Serial
else:
import os
# chose an implementation, depending on os
if os.name == 'nt': # sys.platform == 'win32':
from serial.serialwin32 imp...
How to quit scala 2.11.0 REPL?
..., just use colon q.
:q
Additionally, exit was deprecated in 2.10.x with sys.exit suggested instead, so this works as well:
sys.exit
As a side note, I think they did this so you can distinguish between exiting the scala console in sbt and exiting sbt itself, though I could be wrong.
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Converting Integer to String with comma for thousands
I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646.
13 Answers
...
Clear file cache to repeat performance testing
...
Use SysInternal's RAMMap app.
The Empty / Empty Standby List menu option will clear the Windows file cache.
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What are the advantages of using nullptr?
...ic value whereas null pointer constants do not. A null pointer constant is converted to the null pointer of that type (whatever that is). It is required that two null pointers of the same type compare identically, and boolean conversion turns a null pointer into false. Nothing else is required. Ther...