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What is the difference between i++ and ++i?
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206
Oddly it looks like the other two answers don't spell it out, and it's definitely worth saying:...
Can you get the column names from a SqlDataReader?
...= cmd.ExecuteReader();
var columns = new List<string>();
for(int i=0;i<reader.FieldCount;i++)
{
columns.Add(reader.GetName(i));
}
or
var columns = Enumerable.Range(0, reader.FieldCount).Select(reader.GetName).ToList();
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iPhone Keyboard Covers UITextField
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290
The usual solution is to slide the field (and everything above it) up with an animation, and the...
Determine the process pid listening on a certain port
...ion with @Cyclone, the line that does the job is:
sockstat -4 -l | grep :80 | awk '{print $3}' | head -1
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how to iterate through dictionary in a dictionary in django template?
...te, in django templates we do NOT put (). Also some users mentioned values[0] does not work, if that is the case then try values.items.
<table>
<tr>
<td>a</td>
<td>b</td>
<td>c</td>
</tr>
{% for key, values i...
Circle-Rectangle collision detection (intersection)
...ods will work, but for a rectangle you can just check whether this works:
0 ≤ AP·AB ≤ AB·AB and 0 ≤ AP·AD ≤ AD·AD
And intersectCircle() is easy to implement too: one way would be to check if the foot of the perpendicular from P to the line is close enough and between the endpoints, an...
Why doesn't C have unsigned floats?
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edited Feb 4 '09 at 16:29
answered Feb 4 '09 at 16:16
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What is the --save option for npm install?
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2609
Update npm 5:
As of npm 5.0.0, installed modules are added as a dependency by default, so the ...
How can I extract embedded fonts from a PDF as valid font files?
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406
You have several options. All these methods work on Linux as well as on Windows or Mac OS X. Ho...
Recommended way to embed PDF in HTML?
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edited Jun 10 '12 at 12:57
Peter Mortensen
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