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remove all variables except functions
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You can use the following command to clear out ALL variables. Be careful because it you cannot get your variables back.
rm(list=ls(all=TRUE))
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How to run a PowerShell script without displaying a window?
...he window called PsRun.exe that does exactly that. You can download source and exe file Run scheduled tasks with WinForm GUI in PowerShell. I use it for scheduled tasks.
Edited: as Marco noted this -windowstyle parameter is available only for V2.
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What is “missing” in the Visual Studio 2008 Express Editions?
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There's a handy set of comparison charts on microsoft.com.
It depends on the particular express edition, of course (since there are several and they have different features). The limitations you're most likely to run into are source co...
File to byte[] in Java
...ds on what best means for you. Productivity wise, don't reinvent the wheel and use Apache Commons. Which is here FileUtils.readFileToByteArray(File input).
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How to read file from relative path in Java project? java.io.File cannot find the path specified
...so represent virtual file system path (which may happen when the JAR is expanded into memory instead of into a temp folder on disk file system) or even a network path which are both not per definition digestable by File constructor.
If the file is -as the package name hints- is actually a fullworth...
Changing selection in a select with the Chosen plugin
...ng: $('select').val(2).trigger("chosen:updated");
– Andrew Newby
Jun 24 '14 at 14:33
10
@Lucas W...
ant warning: “'includeantruntime' was not set”
...Just add an
attribute of that name to the javac
task, set it to false, and forget it
ever happened.
From http://ant.apache.org/manual/Tasks/javac.html:
Whether to include the Ant run-time
libraries in the classpath; defaults
to yes, unless build.sysclasspath is
set. It is usually b...
Are there inline functions in java?
...hing else? If there is, how is it used? I've heard that public , static and final methods are the inline functions. Can we create our own inline function?
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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...b.equal_range(boost::make_tuple(std::string("White")));
On the other hand, partial searches without specifying the first keys are not allowed.
By default, the corresponding std::less predicate is used for each subkey of a composite key. Alternate comparison predicates can be specified with com...
Create a custom callback in JavaScript
...ode will pretty much work as is, just declare your callback as an argument and you can call it directly using the argument name.
The basics
function doSomething(callback) {
// ...
// Call the callback
callback('stuff', 'goes', 'here');
}
function foo(a, b, c) {
// I'm the callbac...