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Alarm Manager Example
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This is working code. It wakes CPU every 10 minutes until the phone turns off.
Add to Manifest.xml:
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<uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission>
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<receiver android:process=":remote" android:name="....
How often should you use git-gc?
... the user does not know, naturally they complain about 'gc --auto' wasting CPU.
Daemonized gc now saves stderr to $GIT_DIR/gc.log.
Following gc --auto will not run and gc.log printed out until the user removes gc.log.
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How does `scp` differ from `rsync`?
... encryption also has a major impact on your transfer speed, as well as the CPU overhead. (My experience is that rsync can be significantly faster than scp.)
Check out this post for when rsync has encryption on.
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What integer hash function are good that accepts an integer hash key?
... input results in a different output). The algorithm is fast except if the CPU doesn't have a built-in integer multiplication unit. C code, assuming int is 32 bit (for Java, replace >> with >>> and remove unsigned):
unsigned int hash(unsigned int x) {
x = ((x >> 16) ^ x) * ...
How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...ing most User Land processes for a while, and turning Screen off, reducing CPU cycles, etc. The way this is done - is on a Linux system level where the processes are Paused mid run. This can happen at any time during normal Application execution, but it will stop at a Native system call, as the cont...
In-Place Radix Sort
...aiive representation. Addressing becomes more complex, but the ALU of your CPU has lots of time to spend during all the cache-misses anyway.
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How do I detect unsigned integer multiply overflow?
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Some compilers provide access to the integer overflow flag in the CPU which you could then test but this isn't standard.
You could also test for the possibility of overflow before you perform the multiplication:
if ( b > ULONG_MAX / a ) // a * b would overflow
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windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...队在chromium上做二次开发，使用的是进程内dump，没发现有问题。现在我安装的chrome浏览器，没发现有crash_server进程，估计要么是没抓dump，要么是进程内dump，我看到有文章说有一个GoogleCrashHandler.exe进程，但我这里没有发现，可能...
Why is there no xrange function in Python3?
... but every time i use range i hear that huge distressing fan sound meaning cpu is on it's worst, while xrange doesn't do it. Think you about it ;)
– catalesia
Feb 22 '13 at 0:16
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Advantages to Using Private Static Methods
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Passing an extra parameter means the CPU has to do extra work to place that parameter in a register, and push it onto the stack if the instance method calls out to another method.
– Kent Boogaart
Sep 25 '08 at 18:33
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