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Debugging iframes with Chrome developer tools
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In the Developer Tools in Chrome, there is a bar along the top, called the Execution Context Selector (h/t felipe-sabino), just under the Elements, Network, Sources... tabs, that changes depending on the context of the current tab. When in the Console tab there is a dropdown in that bar ...
displayname attribute vs display attribute
...ey both give you the same results but the key difference I see is that you cannot specify a ResourceType in DisplayName attribute. For an example in MVC 2, you had to subclass the DisplayName attribute to provide resource via localization. Display attribute (new in MVC3 and .NET4) supports ResourceT...
LINQ to Entities does not recognize the method
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As you've figured out, Entity Framework can't actually run your C# code as part of its query. It has to be able to convert the query to an actual SQL statement. In order for that to work, you will have to restructure your query expression into an expression that En...
What does “@” mean in Windows batch scripts
... while the latter prints
H:\Stuff>echo foo
foo
(here, at least). As can be seen the command that is run is visible, too.
echo off will turn this off for the complete batch file. However, the echo off call itself would still be visible. Which is why you see @echo off in the beginning of batch...
How to get the root dir of the Symfony2 application?
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UPDATE 2018-10-21:
As of this week, getRootDir() was deprecated. Please use getProjectDir() instead, as suggested in the comment section by Muzaraf Ali.
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Use this:
$this->get('kernel')->getRootDir();
And if you want the web root:
$this->get('kernel')->getRootD...
Execute SQLite script
...ntation! I know we often reach for Google before the docs, but in SQLite's case, the docs really are technical writing at its best. It's clean, clear, and concise.
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Find the max of two or more columns with pandas
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You can get the maximum like this:
>>> import pandas as pd
>>> df = pd.DataFrame({"A": [1,2,3], "B": [-2, 8, 1]})
>>> df
A B
0 1 -2
1 2 8
2 3 1
>>> df[["A", "B"]]
A B
0 1 -2
1 2...
Doctrine and composite unique keys
...for the information~ As a note, if you solved your own question, while you can't accept immediately, it's generally good form to accept your own answer, just so if people are searching, it shows as there is an acceptable answer.
– Rixius
Mar 13 '13 at 22:24
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How to exit a function in bash
...n is true without killing the whole script, just return back to before you called the function.
3 Answers
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Indentation in Go: tabs or spaces?
... preferred for indentation in Go source code? If not, what is the (statistically) more popular option?
2 Answers
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