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Read a variable in bash with a default value
...tion
What does the :-Richard part do? From the bash manual:
${parameter:-word}
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
Also worth noting that...
In each of the cases below, word is subject to tilde expansion, parameter...
Concatenate multiple files but include filename as section headers
...owever, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
20 Ans...
unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
In Python, I'm trying to run a method in a class and I get an error:
8 Answers
8
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Save plot to image file instead of displaying it using Matplotlib
...ke to add some useful tips when using matplotlib.pyplot.savefig. The file format can be specified by the extension:
from matplotlib import pyplot as plt
plt.savefig('foo.png')
plt.savefig('foo.pdf')
Will give a rasterized or vectorized output respectively, both which could be useful. In addition...
Modifying the “Path to executable” of a windows service
...me> binPath= <binary path>
Note: the space after binPath= is important. You can also query the current configuration using:
sc qc <service name>
This displays output similar to:
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: ServiceName
TYPE : 10 WIN32...
JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
...
No module named _sqlite3
...VPS running Debian 5. When I run a demo app, it comes back with this error:
21 Answers
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The model backing the context has changed since the database was created
The error message :
27 Answers
27
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Make copy of an array
...hould still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
11 Answers
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Overcoming “Display forbidden by X-Frame-Options”
... few other pages, simply to consolidate them into a single browser window for ease of viewing. A few of the pages I'm trying to frame forbid being framed and throw a "Refused to display document because display forbidden by X-Frame-Options." error in Chrome. I understand that this is a security li...