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bash assign default value
...NAME:-hello} , but now bash also tries to execute 'hello' and that gives a command not found. Any way to avoid that? Or will I have to stick to the latter? Can someone give an example where the assign default is actually useful?
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An “and” operator for an “if” statement in Bash
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@jvivenot You have a point. (My response to your comment was made before you edited your comment, when your comment merely read "the code ... would have failed". A simple solution is to use ${STATUS:-0". Will edit.
– William Pursell
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import .css file into .less file
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This is the correct answer. The third one will import+compile the CSS code as less code and will not leave the directive intact.
– CMCDragonkai
Jul 17 '13 at 19:40
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Date query with ISODate in mongodb doesn't seem to work
... "dt" : {"$gte": new Date("2013-10-01T00:00:00.000Z")}
})
or (following comments by @user3805045):
db.mycollection.find({
"dt" : {"$gte": ISODate("2013-10-01T00:00:00.000Z")}
})
ISODate may be also required to compare dates without time (noted by @MattMolnar).
According to Data Types in ...
Define an 's src attribute in CSS [duplicate]
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#divID {
background-image: url("http://imageurlhere.com");
background-repeat: no-repeat;
width: auto; /*or your image's width*/
height: auto; /*or your image's height*/
margin: 0;
padding: 0;
}
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Trigger a button click with JavaScript on the Enter key in a text box
...rt("Button code executed.");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
Username:<input id="username" type="text"><br>
Password:&nbsp;<input id="pw" type="password"><br>
<button id="myButton">Submi...
Error renaming a column in MySQL
...n definitions such as nullability, default value, etc. (see: stackoverflow.com/questions/8553130/…).
– Dejan
Jul 13 '15 at 10:50
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Using context in a fragment
...was reading this Google blog on memory leaks...android-developers.blogspot.com/2009/01/… . If I use the getActivity() method would the app not be at risk of memory leaks? The blog suggests "Try using the context-application instead of a context-activity" which isn't really possible as getApplicati...
What is a Manifest in Scala and when do you need it?
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The compiler knows more information about types than the JVM runtime can easily represent. A Manifest is a way for the compiler to send an inter-dimensional message to the code at runtime about the type information that was lost...