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Virtual Memory Usage from Java under Linux, too much memory used
...M's memory footprint. This might reduce the virtual memory footprint:
-XX:ReservedCodeCacheSize=32m Reserved code cache size (in bytes) - maximum
code cache size. [Solaris 64-bit,
amd64, and -server x86: 48m; in
1.5.0_06 and earlier, Solaris 64-bit and and64: 1024m.]
-XX:MaxPermSize=6...
Colored logcat in android studio by colorpid
...ndroidStudio and copy in
Mac: /Users/.../Library/Preferences/AndroidStudioXX.XX/ Windows: C:\Users....AndroidStudioXX.XX\config\
Then go to logcat in settings and choose the file.
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Backwards migration with Django South
...gration name at the end of the parameters:
./manage.py migrate app-name 00xx-migration-name
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传感器组件 · App Inventor 2 中文网
...件仅适用于应用程序的 Screen1 主屏幕！！
属性
最新消息
返回最近接收到的标签的内容。
启用读值模式
指定 NFC 硬件是否在读取模式下运行。读取模式 (真) 或 写入模式（假）。
写入文本
指定在写入模式下将要写入...
Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo
...e the following (again, notice the ${argLine}):
<argLine>-Xmx4096m -XX:MaxPermSize=512M ${itCoverageAgent}</argLine>
to
<argLine>${argLine} -Xmx4096m -XX:MaxPermSize=512M ${itCoverageAgent}</argLine>
...
C# How can I check if a URL exists/is valid?
...
I would add that some status codes in the 3xx range will actually cause an error to be thrown e.g. 304 Not Modified in which case you should be handling that in your catch block
– RobV
Aug 25 '11 at 8:43
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...pen a browser
In the address line type: http://your IP address:port
http://xxx.xxx.x.x:1337 or http://xx.xxx.xxx.xx:8000 for the default
If the server is working, you will see a list of your files in the browser
Click the file you want to serve, and it should display.
More advanced solutions
In...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...ons=16 -falign-loops=16
Long answer:
The code will run slower if:
an XX byte boundary cuts add() in the middle (XX being machine dependent).
if the call to add() has to jump over an XX byte boundary and the target is not aligned.
if add() is not aligned.
if the loop is not aligned.
The firs...
Real differences between “java -server” and “java -client”?
...o a -server application. For instance, on my Linux system, I get:
$ java -XX:+PrintFlagsFinal -version 2>&1 | grep -i -E 'heapsize|permsize|version'
uintx AdaptivePermSizeWeight = 20 {product}
uintx ErgoHeapSizeLimit = 0 {product}...
How do I reattach to a detached mosh session?
...etached session, use the PID number displayed in that message (that's the 'XXXX' part.) For example, if you see --
Mosh: You have a detached Mosh session on this server (mosh [12345]).
And can run this command:
kill 12345
Also, to close all mosh connections you can:
kill `pidof mosh-server`
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