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Using psql how do I list extensions installed in a database?
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edited Mar 26 '18 at 21:19
answered Feb 15 '14 at 16:04
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Init method in Spring Controller (annotation version)
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241
You can use
@PostConstruct
public void init() {
// ...
}
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What is the best way to count “find” results?
...intf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
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background function in Python
...code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in the background while the code continues to execute? I would just use a default image until the correct one becomes av...
How do I programmatically shut down an instance of ExpressJS for testing?
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158
Things have changed because the express server no longer inherits from the node http server. F...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ection on IOStreams (p.68). Most relevant to your question is in Section 6.1.2 ("Execution Speed"):
Since certain aspects of IOStreams processing are
distributed over multiple facets, it
appears that the Standard mandates an
inefficient implementation. But this
is not the case — by usi...
How to execute a java .class from the command line
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119
Try:
java -cp . Echo "hello"
Assuming that you compiled with:
javac Echo.java
Then th...
Difference between jQuery’s .hide() and setting CSS to display: none
...layvalue').text(display);
}
div {
display: table-cell;
border: 1px solid;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>
<button class="hide">Hide</button>
<button class="show...
Default visibility of class methods in PHP
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181
Default is public.
Class methods may be defined as public, private, or protected. Methods ...
Unique Constraint in Entity Framework Code First
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