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How to remove all .svn directories from my application directories
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Try this:
find . -name .svn -exec rm -rf '{}' \;
Before running a command like that, I often like to run this first:
find . -name .svn -exec ls '{}' \;
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AppInventor2 .keystore 证书文件 - App版本升级的奥秘 · App Inventor 2 中文网
...份，只有固定身份的情况下，apk才能进行覆盖安装（也就是版本升级）；如果证书不一样，则必须卸载app再安装，它们的核心区别是：
版本升级里面的微数据库不对丢，app的私有目录文件及数据都不会丢。
卸载重...
How do I update pip itself from inside my virtual environment?
...ommand like that: python -m pip install --upgrade pip to avoid running pip.exe from scripts directory.
– bialix
Feb 19 '14 at 14:47
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
...gem install pg fails, try the following command:
env ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config
... from the PostgreSQL.app Documentation
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When to use AtomicReference in Java?
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@sMoZely That is correct, but if you're not using AtomicReference you should mark the variable volatile because while the runtime guarantee...
Should I compile release builds with debug info as “full” or “pdb-only”?
...h full rather than pdb-only, you'll get the same benefits, except that the executable can be attached directly to a debugger. You'll need to determine if this is reasonable given your product & customers.
Be sure to save the PDB files somewhere so that you can reference them when a crash repor...
How to run Visual Studio post-build events for debug build only
...Targets="PostBuildEvent" Condition="$(ConfigurationName) == Debug"> <Exec Command="your command"/></Target>. Macro variables and everything work as normal.
– S.C.
May 16 '18 at 19:02
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Using Python 3 in virtualenv
...pgrade worked, but for some reason I also had to be explicit about python3 executable with virtualenv -p $(which python3) envname
– dkamins
Nov 7 '14 at 22:15
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Why prefer two's complement over sign-and-magnitude for signed numbers?
...ly the first 31 bits of an int in java to represent positive number if the 32nd bit is 1 , its a -ve number.
1100 (lets assume 12 in 4 bit system)
+0100(2's complement of 12)
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1 0000 (result is zero , with the carry 1 overflowing)
Thus the system of (n + 2'complement...
How to auto-reload files in Node.js?
... Had to run it like this under Windows: "C:\Program Files\nodejs\node.exe" C:\Users\Mark\AppData\Roaming\npm\node_modules\supervisor\lib\cli-wrapper.js app.js
– mpen
Jan 14 '13 at 0:29
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