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Dynamically generating a QR code with PHP [closed]
...date.
To use this , basically:
https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8
300x300 is the size of the QR image you want to generate,
the chl is the url-encoded string you want to change into a QR code, and
the choe is the (opti...
Throw an error in a MySQL trigger
...it might work:
Essentially, you just try to update a column that doesn't exist.
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How do you pass a function as a parameter in C?
... which takes a single int parameter. The following function (print) is an example of a function which could be passed to func as a parameter because it is the proper type:
void print ( int x ) {
printf("%d\n", x);
}
Function Call
When calling a function with a function parameter, the value pas...
Python function attributes - uses and abuses [closed]
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I was thinking of doing exactly this. Then I stopped myself. "Is this a bad idea?" I wondered. Then, I wandered over to SO. After some bumbling around, I found this question/answer. Still not sure if this is a good idea.
– allyo...
Linq list of lists to single list
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You want to use the SelectMany extension method.
var residences = details.SelectMany(d => d.AppForm_Residences).ToList();
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Your branch is ahead of 'origin/master' by 3 commits
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git reset --hard origin/master is exactly what I was looking for. Thanks.
– FluxEngine
Apr 29 '13 at 21:23
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How do you clear Apache Maven's cache?
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From the command line on a linux system. You will need to install mvn. maven.apache.org/install.html
– Brian C.
Oct 21 '16 at 13:53
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regex for matching something if it is not preceded by something else
So with regex in java, I want to write a regex that will match if and only if the pattern is not preceded by certain characters. For example:
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How do I determine the dependencies of a .NET application?
...apps? I've downloaded the latest and tried profiling the app, but it just exits without much of an explanation. If it doesn't work with .NET, then is there some other tool that would help me debug a run-time DLL loading issue?
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How to know if an object has an attribute in Python
... there a way in Python to determine if an object has some attribute? For example:
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