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Read values into a shell variable from a pipe
...ck read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&0; }
But there's no point - your variable assignments may not last! A pipeline may spawn a subshell, where the environmen...
SQL WHERE condition is not equal to?
...cannot use arithmetic comparison operators such as =, <, or <> to test for NULL." (from the MySQL documentation). So that means you have to use IS NOT NULL.
– Byson
Aug 20 '14 at 14:31
...
if…else within JSP or JSTL
...onal rendering in jsp using JSTL.
To simulate if , you can use:
<c:if test="condition"></c:if>
To simulate if...else, you can use:
<c:choose>
<c:when test="${param.enter=='1'}">
pizza.
<br />
</c:when>
<c:otherwise>
...
How do I space out the child elements of a StackPanel?
... What if i want to use it for entire project ?
– grv_9098
Nov 28 '12 at 13:09
10
Can someone exp...
How to sort mongodb with pymongo
...rameters.
So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
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How to parse the AndroidManifest.xml file inside an .apk package
...a Python (or whatever) script?
Through the aapt (http://elinux.org/Android_aapt), indeed, you can retrieve information about the .apk package and about its AndroidManifest.xml file. In particular, you can extract the values of individual elements of an .apk package through the 'dump' sub-command. F...
Fastest way to convert string to integer in PHP
Using PHP, what's the fastest way to convert a string like this: "123" to an integer?
8 Answers
...
Parse JSON in C#
...e recursion.
Properties (in 2.0) should be defined like such :
string _unescapedUrl; // <= private field
[DataMember]
public string unescapedUrl
{
get { return _unescapedUrl; }
set { _unescapedUrl = value; }
}
You have a private field and then you return the value of that field i...
Build Maven Project Without Running Unit Tests
How do you build a Maven project without running unit tests?
7 Answers
7
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Assert equals between 2 Lists in Junit
How can I make an equality assertion between lists in a JUnit test case? Equality should be between the content of the list.
...
