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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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314
With set +e. Yeah, it's backward that you enable shell options with set - and disable them wit...
Get JavaScript object from array of objects by value of property [duplicate]
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17 Answers
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In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
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166
See this answer.
In summary make a destination with
<a name="sometext"></a>
in...
What is the difference between setUp() and setUpClass() in Python unittest?
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152
The difference manifests itself when you have more than one test method in your class. setUpCl...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...Java arrays (which are erroneously covariant):
Object[] arr = new Integer[1];
arr[0] = "Hello, there!";
We just assigned a value of type String to an array of type Integer[]. For reasons which should be obvious, this is bad news. Java's type system actually allows this at compile time. The JVM...
System.Threading.Timer in C# it seems to be not working. It runs very fast every 3 second
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edited Dec 30 '16 at 18:17
Robert Harvey
164k4141 gold badges308308 silver badges467467 bronze badges
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Understanding Fragment's setRetainInstance(boolean)
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edited Feb 18 '17 at 12:33
Willi Mentzel
18.6k1212 gold badges7979 silver badges9393 bronze badges
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Python convert tuple to string
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167
Use str.join:
>>> tup = ('a', 'b', 'c', 'd', 'g', 'x', 'r', 'e')
>>> ''.joi...
Creating an official github mirror
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114
Based on communicating with GitHub's support team, I found that GitHub currently offers no dir...
SQL Server indexes - ascending or descending, what difference does it make?
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137
This primarily matters when used with composite indexes:
CREATE INDEX ix_index ON mytable (co...