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Replace one substring for another string in shell script
I have "I love Suzi and Marry" and I want to change "Suzi" to "Sara".
10 Answers
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Make a program run slowly
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Lower the priority using nice (and/or renice). You can also do it programmatically using nice() system call. This will not slow down the execution speed per se, but will make Linux scheduler allocate less (and possibly shorter) execution time frames, preem...
C# Double - ToString() formatting with two decimal places but no rounding
...te(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply do the...
Why is it slower to iterate over a small string than a small list?
I was playing around with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
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Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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Storing Python dictionaries
I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file?
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Track a new remote branch created on GitHub
... Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
4 An...
Mock framework vs MS Fakes frameworks
...ke NMock vs the VS 2011 Fakes Framework.
Going through MSDN, what I understand is that Fakes allow you to mock your dependencies just like RhinoMock or NMock, however the approach is different, Fakes generates code to achive this functionality but Mocks framework does not. So is my understanding cor...
How do I have an enum bound combobox with custom string formatting for enum values?
...much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection to read attributes on your enum fields.
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