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C# Linq Group By on multiple columns [duplicate]
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@jazmatician _ I agree with you on the point that re-using x might confuse some, but not on the choice for variable names. I'll change it to x and y to diferentiate.
– Jamiec
Nov 19 '12 at 15:51
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Code for a simple JavaScript countdown timer?
... Date().getTime();
var interval = setInterval(function() {
var now = time-(new Date().getTime()-start);
if( now <= 0) {
clearInterval(interval);
complete();
}
else update(Math.floor(now/1000));
},100); // the smaller this number, the...
Search all tables, all columns for a specific value SQL Server [duplicate]
I have a specific value, let's say string 'comments'. I need to find all instances of this in the database as I need to do an update on the format to change it to (*) Comments.
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How to create a listbox in HTML without allowing multiple selection?
...;/option>
<option>text5</option>
</select>
To clarify, adding the size attribute did not remove the multiple selection.
The single selection works because you removed the multiple="multiple" attribute.
Adding the size="5" attribute is still a good idea, it means that at le...
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...ut[11]:
0 2005-05-23 00:00:00
dtype: datetime64[ns]
You can pass a specific format:
In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0 2005-05-23
dtype: datetime64[ns]
share
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What are the benefits of functional programming? [closed]
...f". The paradigm will leak over into your other OOP work and can help simplify your development there. You can approach problems from a "compute this output from this input" and "compose these two functions that compute new data" instead of "wait---what was the state of some shared variable over the...
Can PHP cURL retrieve response headers AND body in a single request?
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this is bad solution because if you use proxy server and your proxy server(fiddler for example) add own headers to response - this headers broke all offsets and you should use list($header, $body) = explode("\r\n\r\n", $response, 2) as only working vari...
Build unsigned APK file with Android Studio
I'm developing an android app with the Android Developer Tool.
Now I tried the new Android Studio, everything works fine if connect my smartphone with the pc and directly run the program in the Android Studio.
But now I want to test the program with other smartphones without connecting them to my pc...
Using GCC to produce readable assembly?
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If you compile with debug symbols, you can use objdump to produce a more readable disassembly.
>objdump --help
[...]
-S, --source Intermix source code with disassembly
-l, --line-numbers Include line num...
How to implement a tree data-structure in Java? [closed]
...sistently using the Node class. Instead I name a variable 'tree' or 'root' if it needs to be clear that you are dealing with the root Node of a tree.
– jvdbogae
Oct 9 '12 at 7:43
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