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Meaning of “[: too many arguments” error from if [] (square brackets)
...:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output in double quotes, forcing it to stay as one string (therefore one argument). For example,
VARIABLE=$(/some/com...
Are static methods inherited in Java?
... determined in the runtime by the JVM related to which object has made the call :)
– mounaim
Apr 16 '14 at 8:49
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show 1 more comment
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How can I post data as form data instead of a request payload?
In the code below, the AngularJS $http method calls the URL, and submits the xsrf object as a "Request Payload" (as described in the Chrome debugger network tab). The jQuery $.ajax method does the same call, but submits xsrf as "Form Data".
...
How to shut down the computer from C#
...ws
ExitWindowsEx(EWX_SHUTDOWN, 0);
}
// Structures needed for the API calls
private struct LUID
{
public int LowPart;
public int HighPart;
}
private struct LUID_AND_ATTRIBUTES
{
public LUID pLuid;
public int Attributes;
}
private struct TOKEN_PRIVILEGES
{
public int Privileg...
How to measure time in milliseconds using ANSI C?
...ime stamp.
The first one uses a monotonic clock counter (sometimes it is called a tick counter) which counts ticks with a predefined frequency, so if you have a ticks value and the frequency is known, you can easily convert ticks to elapsed time. It is actually not guaranteed that a monotonic cloc...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ween .NET 4.0 and 4.5:
First: The EE was changed so that it would automatically initialize String.Empty from unmanaged code. This change was probably made for .NET 4.0.
Second: The compiler changed so that it did not emit a static constructor for string, knowing that String.Empty would be assigne...
Scale image to fit a bounding box
...ere is no CSS only way to do this in both directions. You could add
.fillwidth {
min-width: 100%;
height: auto;
}
To the an element to always have it 100% width and automatically scale the height to the aspect ratio, or the inverse:
.fillheight {
min-height: 100%;
width: auto;
...
Uploading both data and files in one form using Ajax?
...
The problem I had was using the wrong jQuery identifier.
You can upload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text...
When should I use the Visitor Design Pattern? [closed]
...
After a lot of thinking, I wonder why you called two methods hereIsADog and hereIsACat although you already pass the Dog and the Cat to the methods. I would prefer a simple performTask(Object *obj) and you cast this object in the Operation class. (and in language sup...
How to write a caption under an image?
...n: -moz-transform 0.2s;
-o-transition: -o-transform 0.2s;
}
<div id="container">
<a href="#">
<figure>
<img src="http://lorempixel.com/100/100/nature/1/" width="100px" height="100px" />
<figcaption>First image</figcaptio...