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How to get the error message from the error code returned by GetLastError()?
...any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return std::string(); //No error message has been recorded
LPSTR messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_IN...
Align image in center and middle within div
...
body {
margin: 0;
}
#over img {
margin-left: auto;
margin-right: auto;
display: block;
}
<div id="over" style="position:absolute; width:100%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.pn...
Should all jquery events be bound to $(document)?
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edited Oct 10 '12 at 17:28
answered Oct 10 '12 at 17:05
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Understanding generators in Python
...
409
Note: this post assumes Python 3.x syntax.†
A generator is simply a function which returns a...
How to delete a module in Android Studio
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607
The "Mark as Excluded" option isn't there anymore.
The current (Android Studio 0.8.x - 2.2.x) ...
Reverting a single file to a previous version in git [duplicate]
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910
Let's start with a qualitative description of what we want to do (much of this is said in Ben St...
Convert a list to a dictionary in Python
...), which would normally be a code smell.
b = {a[i]: a[i+1] for i in range(0, len(a), 2)}
So the iter()/izip() method is still probably the most Pythonic in Python 3, although as EOL notes in a comment, zip() is already lazy in Python 3 so you don't need izip().
i = iter(a)
b = dict(zip(i, i))
...
How do I integrate Ajax with Django applications?
....views.home'),
That's an example of the simplest of usages. Going to 127.0.0.1:8000/hello means a request to the hello() function, going to 127.0.0.1:8000/home will return the index.html and replace all the variables as asked (you probably know all this by now).
Now let's talk about AJAX. AJAX ca...
How do you query for “is not null” in Mongo?
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10 Answers
10
Active
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How do I get the current GPS location programmatically in Android?
...();
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, 5000, 10, locationListener);
Here is the sample code to do so
/*---------- Listener class to get coordinates ------------- */
private class MyLocationListener implements LocationListener {
@Override
public void o...