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Relational table naming convention [closed]
... the user table.
(Except of course in record filing systems, where the files are accessed by surrogates and there are no relational keys, there they are one and the same thing).
Always use the exact same name for the key column wherever the PK is carried (migrated) as an FK.
Therefore the user_...
Convert a list of characters into a string
...gt;>> ['a', 'b', 'c'].join('')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'join'
Strange enough, in Python the join method is on the str class:
# this is the Python way
"".join(['a','b','c','d'])
Why...
Passing data between a fragment and its container activity
... in the class calling the fragment if you have your fragment in xml layout file.
– Zapnologica
Aug 16 '13 at 16:25
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How to activate an Anaconda environment
... activate myenv. To enable the new syntax, you should modify your .bashrc file. The line that currently reads something like
export PATH="<path_to_your_conda_install>/bin:$PATH"
Should be changed to
. <path_to_your_conda_install>/etc/profile.d/conda.sh
This only adds the conda com...
Android WebView style background-color:transparent ignored on android 2.2
...r(0);
wv.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
wv.loadUrl("file:///android_asset/myview.html");
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Achieving bright, vivid colors for an iOS 7 translucent UINavigationBar
...lor = [UIColor blackColor];
}
IS_IOS7 is a macro which is defined in pch file as follows.
#define IS_IOS7 ([[UIDevice currentDevice].systemVersion floatValue] >= 7.0)
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How to diff a commit with its parent?
...oned, if you put the following in the [alias] section of your ~/.gitconfig file then you can use short-hand to view diff between head and previous.
[alias]
diff-last = diff HEAD^1
Then running $ git diff-last will get you your result. Note that this will also include any changes you've not ye...
How do I download a package from apt-get without installing it? [closed]
... apt-get is your friend:
-d, --download-only
Download only; package files are only retrieved, not unpacked or installed.
Configuration Item: APT::Get::Download-Only.
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Setting up a JavaScript variable from Spring model by using Thymeleaf
...r in a comment to have a valid JavaScript code when you open your template file in a static manner (without executing it at a server).
Thymeleaf calls this: JavaScript natural templates
var message = /*[[${message}]]*/ "";
Thymeleaf will ignore everything we have written after the comment and b...
How do I change the background color of the ActionBar of an ActionBarActivity using XML?
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how do I set my app to use the files once they are added into my app?
– Mike
Feb 16 '15 at 8:57
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