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How to enable Bootstrap tooltip on disabled button?
...ip on a disabled button and remove it on an enabled button. Currently, it works in reverse.
18 Answers
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How to do ToString for a possibly null object?
...6.0 Edit:
With C# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty).ToString();
or
string s = (myObjc ?? "").ToString()
to be even mo...
Override back button to act like home button
...
Most of the time you need to create a Service to perform something in the background, and your visible Activity simply controls this Service. (I'm sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that's the case, then your Act...
Having links relative to root?
Is there a way to have all links on a page be relative to the root directory?
6 Answers
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I lost my .keystore file?
Ok folks.. long story short, I was developing on a computer that I no longer have access to. I was able to retrieve the source code, but not the .keystore file used to sign and publish my application to the market (with several updates). Am I, and my poor users, out of luck if I ever want to update?...
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...