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Getting Java version at runtime
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These articles seem to suggest that checking for 1.5 or 1.6 prefix should work, as it follows proper version naming convention.
Sun Technical Articles
J2SE SDK/JRE Version String Naming Convention
Version 1.5.0 or 5.0?
"J2SE also keeps the version number 1.5.0 (or ...
Where does Scala look for implicits?
... question to newcomers to Scala seems to be: where does the compiler look for implicits? I mean implicit because the question never seems to get fully formed, as if there weren't words for it. :-) For example, where do the values for integral below come from?
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Check if a value is within a range of numbers
...estion. That's because I generally assume people know what they are asking for. The checkmark shows me this wasn't the case with this questioner.
– Leif
Jun 23 '11 at 13:16
7
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Can someone explain how to implement the jQuery File Upload plugin?
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I was looking for a similar functionality some days back and came across a good tutorial on tutorialzine. Here is an working example. Complete tutorial can be found here.
Simple form to hold the file upload dialogue:
<form id="upload"...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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升级过程很顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.r...
Are duplicate keys allowed in the definition of binary search trees?
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Many algorithms will specify that duplicates are excluded. For example, the example algorithms in the MIT Algorithms book usually present examples without duplicates. It is fairly trivial to implement duplicates (either as a list at the node, or in one particular direction.)
Most (...
What predefined macro can I use to detect clang?
...ed to compile my source code. I can easily find predefined macros to check for MSVC or GCC (see http://predef.sourceforge.net/ for example), but I cannot find any macro to check for clang.
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How do I save and restore multiple variables in python?
...a dozen objects to a file and then restore them later.
I've tried to use a for loop with pickle and shelve but it didn't work right.
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How to find the mysql data directory from command line in windows
...rep|sed ...) then use the following command line:
mysql -s -N -uUSER -p information_schema -e 'SELECT Variable_Value FROM GLOBAL_VARIABLES WHERE Variable_Name = "datadir"'
The command will select the value only from mysql's internal information_schema database and disables the tabular output and ...
How can I use Timer (formerly NSTimer) in Swift?
...st be internal or public.
@objc func update() {
// Something cool
}
For Swift 4, the method of which you want to get the selector must be exposed to Objective-C, thus @objc attribute must be added to the method declaration.
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