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C#: Raising an inherited event
... OnLoading(EventArgs e)
{
EventHandler handler = Loading;
if( handler != null )
{
handler(this, e);
}
}
protected virtual void OnFinished(EventArgs e)
{
EventHandler handler = Finished;
if( handler != null )
{
handle...
Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
...
Receiver not registered exception error?
...
The root of your problem is located here:
unregisterReceiver(batteryNotifyReceiver);
If the receiver was already unregistered (probably in the code that you didn't include in this post) or was not registered, then call to unregisterReceiver throws IllegalArgumentException. In your case you nee...
MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
...ay the date, the value must be formatted as 2012-09-28. Quote from the specification:
value: A valid full-date as defined in [RFC 3339], with the additional
qualification that the year component is four or more digits
representing a number greater than 0.
You could enforce this format usin...
Object.getOwnPropertyNames vs Object.keys
What's the difference between Object.getOwnPropertyNames and Object.keys in javascript? Also some examples would be appreciated.
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How to output loop.counter in python jinja template?
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Worth mentioning that if you want a 0-based index, you can use loop.index0 instead.
– ereOn
Nov 5 '13 at 8:40
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Running Python on Windows for Node.js dependencies
...eanwhile, just using the set command only affects the current cmd session. If you reboot after that, as you say you did, you end up with a whole new cmd session that doesn't have that variable set in it.
There are a few ways to set environment variables permanently—the easiest is in the System Co...
BAT file: Open new cmd window and execute a command in there
...
If you're using this to run a rails server you actually don't need to type cmd. You can just type start rails s.
– fbonetti
Jun 27 '13 at 17:51
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
What is the difference between:
8 Answers
8
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What is database pooling?
...cally, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, authenticate, have authorisation checked, and so on. Pooling keeps the connections active so that, when a connection is later requested, one of the active ones ...