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Select all child elements recursively in CSS
...es even if they have a higher priority.. (they are placed later in the css file)
– clarkk
Feb 5 '11 at 22:33
The selec...
Non-Relational Database Design [closed]
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Flat files have long been considered arcane and impractical for a data set of any size. However, faster computers with more memory make it possible to load a file into memory and sort it in real time, at least for reasonably small...
Efficiently test if a port is open on Linux?
...ise I found out recently is that Bash natively supports tcp connections as file descriptors. To use:
exec 6<>/dev/tcp/ip.addr.of.server/445
echo -e "GET / HTTP/1.0\n" >&6
cat <&6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes use...
Installing specific package versions with pip
... MySQL_python
pip install -Iv http://sourceforge.net/projects/mysql-python/files/mysql-python/1.2.2/MySQL-python-1.2.2.tar.gz/download
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How to access environment variable values?
...t;> print os.environ['PYTHONPATH'] Traceback (most recent call last): File "<console>", line 1, in <module> File "C:\Python25\lib\os.py", line 435, in getitem return self.data[key.upper()] KeyError: 'PYTHONPATH' >>> print os.environ.get('PYTHONPATH') None >>>...
How to add text at the end of each line in Vim?
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This will do it to every line in the file:
:%s/$/,/
If you want to do a subset of lines instead of the whole file, you can specify them in place of the %.
One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you ty...
How to launch Safari and open URL from iOS app
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Here's what I did:
I created an IBAction in the header .h files as follows:
- (IBAction)openDaleDietrichDotCom:(id)sender;
I added a UIButton on the Settings page containing the text that I want to link to.
I connected the button to IBAction in File Owner appropriately.
Then imple...
if…else within JSP or JSTL
I want to output some HTML code based on some condition in a JSP file.
13 Answers
13
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Get root view from current activity
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This is what I use to get the root view as found in the XML file assigned with setContentView:
final ViewGroup viewGroup = (ViewGroup) ((ViewGroup) this
.findViewById(android.R.id.content)).getChildAt(0);
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Unable to verify leaf signature
...essages says. I don't know how to explain it any simpler. It's a read-only file and cannot be edited.
– coolaj86
Mar 13 at 17:26
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