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Clear a terminal screen for real
...
Use the following command to do a clear screen instead of merely adding new lines ...
printf "\033c"
yes that's a 'printf' on the bash prompt.
You will probably want to define an alias though...
alias cls='printf "\033c"'
Explanation
\033 == \x1B == 27 == ESC
So this becom...
How to list the tables in a SQLite database file that was opened with ATTACH?
..._MASTER table for the "main" database. Consequently, if you used
ATTACH some_file.db AS my_db;
then you need to do
SELECT name FROM my_db.sqlite_master WHERE type='table';
Note that temporary tables don't show up with .tables either: you have to list sqlite_temp_master for that:
SELECT name F...
Matplotlib make tick labels font size smaller
...= (x**3)
yn = (y1,y2,y3)
COLORS = ('b','g','k')
for i,y in enumerate(yn):
ax = fig.add_subplot(len(yn),1,i+1)
ax.plot(x, y, ls='solid', color=COLORS[i])
if i != len(yn) - 1:
# all but last
ax.set_xticklabels( () )
else:
...
Base 64 encode and decode example code
...ng which will definitely be valid on both sides. It would be rare to use something other than UTF-8 or UTF-16.
Transmitting end:
Encode the string to bytes (e.g. text.getBytes(encodingName))
Encode the bytes to base64 using the Base64 class
Transmit the base64
Receiving end:
Receive the base...
When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
I'm looking for some guidelines that one can use to help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isol...
How can I find where Python is installed on Windows?
...:
>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'
Also, you can club all these and use a single line command. Open cmd and enter following command
python -c "import os, sys; print(os.path.dirname(sys.executable))"
...
UIButton custom font vertical alignment
...given.
Here's the solution that worked for my custom font which had the same issue in UILabel, UIButton and such. The problem with the font turned out to be the fact that its ascender property was too small compared to the value of system fonts. Ascender is a vertical whitespace above font's charac...
How can I replace text with CSS?
How can I replace text with CSS using a method like this:
21 Answers
21
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Converting string to title case
...words to title case, even though they shouldn't be in English. See the documentation: Actual result: "War And Peace".
– Kobi
Jul 30 '09 at 11:44
5
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Adding devices to team provisioning profile
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This worked for me:
Login to your iphone provisioning portal through developer.apple.com
Add the UDID in devices
Go back to XCode, open up the Organizer and select "Provisioning Profiles", ensure that "Automatic Device Provisioning" is c...
