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How to force maven update?
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mvn clean install -U
-U means force update of snapshot dependencies. Release dependencies can't be updated this way.
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improve t...
Output of git branch in tree like fashion
...nclosed-message-display-tweaks merged in
(x) experiment merged in (only locally)
NOTE: working directory contains modified files
git-wtf shows you:
How your branch relates to the remote repo, if it's a tracking branch.
How your branch relates to non-feature ("version") branches, if i...
Automatic HTTPS connection/redirect with node.js/express
...ng to get HTTPS set up with a node.js project I'm working on. I've essentially followed the node.js documentation for this example:
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Convert NaN to 0 in javascript
... only concerned with the specific NaN value. This won't work as a test for all non number values. Although we could attempt a toNumber conversion first. I'll update.
– user113716
Sep 24 '11 at 16:59
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Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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How to use > in an xargs command?
...2k because when you don't use -0, xargs will take your filenames and break all the spaces, quotes and backslashes in them. You should just forget about xargs as a tool. If you have lines, use a bash loop to iterate the lines: while read line; do <command> "$REPLY"; done < file-with-lines...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
...s workaround, they suggest to set the jsse.enableSNIExtension property. To allow your programs to work without re-compiling, run your app as:
java -Djsse.enableSNIExtension=false yourClass
The property can also be set in the Java code, but it must be set before any SSL actions. Once the SSL libra...
How to convert an int to a hex string?
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@diedthreetimes, chr does not involve ASCII at all--it simply takes a number and makes a one-byte bytestring where the ordinal value of the byte is the number. ASCII and ASCII-compatible encodings come into play when you write and display bytestrings.
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Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
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Don't know which one affects, but this is really helpful.
– CopperCash
Jul 4 '14 at 7:21
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App Inventor 2 字典(Dictionary)操作教程 - 键值对数据结构 · App Inventor 2 中文网
...path
list by walking key path（沿路径收集值）
walk all at level（遍历当前层）
判断数据类型：is a dictionary?
字典在JSON解析中的应用
解析JSON字符串
解析嵌套JSON
解析JSON数组中的对象
实战案...