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Bash foreach loop
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Something like this would do:
xargs cat <filenames.txt
The xargs program reads its standard input, and for each line of input runs the cat program with the input lines as argument(s).
If you really want to do this in a loop, you can:
for fn in...
How to replace multiple substrings of a string?
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Here is a short example that should do the trick with regular expressions:
import re
rep = {"condition1": "", "condition2": "text"} # define desired replacements here
# use these three lines to do the replacement
rep = dict((re.escape(k), v) for k, v in rep....
How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...t now is to explicitly include the bool parameter in the setup for Foo.
I don't think it defeats the purpose of specifying a default value. The default value is a convenience for calling code, but I think that you should be explicit in your tests. Say you could leave out specifying the bool paramet...
How do you print out a stack trace to the console/log in Cocoa?
...nks! Is there a way to make this only print the stack trace, say, 6 levels down instead of all the way?
– sudo
Jul 29 '14 at 16:33
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How to get started on TDD with Ruby on Rails? [closed]
...e excellent screencasts about how to use different testing tools.
What do I need to test?
I will start with models, since they are easy to test. The simple rule is that you need to cover every if statement in your test.
You should test the purpose of the method (to make sure it is functionin...
Multiple linear regression in Python
I can't seem to find any python libraries that do multiple regression. The only things I find only do simple regression. I need to regress my dependent variable (y) against several independent variables (x1, x2, x3, etc.).
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MongoDB: Combine data from multiple collections into one..how?
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Although you can't do this real-time, you can run map-reduce multiple times to merge data together by using the "reduce" out option in MongoDB 1.8+ map/reduce (see http://www.mongodb.org/display/DOCS/MapReduce#MapReduce-Outputoptions). You nee...
How do I make XAML DataGridColumns fill the entire DataGrid?
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and how to do similar thing if i'm using AutoGenerateColumns="True"?
– Oleg Vazhnev
Nov 21 '11 at 7:54
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How do I check for nulls in an '==' operator overload without infinite recursion?
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This solution does not work for Assert.IsFalse(foo2 == foo1);
– FIL
Nov 7 '18 at 10:10
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How can I upload fresh code at github?
...cal repo, then add a remote to it, and push to that remote. All of this is done from the command line. Pushing to github has some pre-requisites, such as creating a project on github and adding ssh keys to identify yourself.
– hasen
May 19 '10 at 16:12
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