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sed edit file in place
I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
What is a “Bitmap heap scan” in a query plan?
...ans).
Note, as an aside, how clustering/row order affects the associated costs with either method. If rows are all over the place in a random order, a bitmap index will be cheaper. (And, in fact, if they're really all over the place, a seq scan will be cheapest, since a bitmap index scan is not wit...
What's the best three-way merge tool? [closed]
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KDiff3
open source, cross platform
Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studio, editable merged fi...
How to copy a directory structure but only include certain files (using windows batch files)
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Weird. What OS are you using? Do you have the necessary file/folder permissions? I just tested on Win 7 and *.zip worked for me.
– aphoria
Sep 20 '12 at 9:56
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Solutions for distributing HTML5 applications as desktop applications? [closed]
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Electron is an open source library developed by GitHub for building cross-platform desktop applications with HTML, CSS, and JavaScript. Electron accomplishes this by combining Chromium and Node.js into a single runtime and apps can be packaged for Mac, Windows, and Linux. (source)
The folks a...
How to select .NET 4.5.2 as a target framework in Visual Studio
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You need to install the Microsoft .NET Framework 4.5.2 Developer Pack
This contains the following components (emphasis added by me):
.NET Framework 4.5.2
.NET Framework 4.5.2 Multi-Targeting Pack: Contains the reference assemblies needed to build app...
How to make links in a TextView clickable?
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Buried in the API demos I found the solution to my problem:
Link.java:
// text2 has links specified by putting <a> tags in the string
// resource. By default these links will appear but not
// respond to user input. To make ...
Gradle build only one module
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On Mac OS, the only variant which is working with me :
./gradlew ABC:build
ABC is the name of module
( It might be working on Linux too )
share
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How to represent multiple conditions in a shell if statement?
... "$g" -eq 2 -a "$c" = "456" \) ]
then echo abc
else echo efg
fi
I've enclosed the references to $g in double quotes; that's good practice, in general. Strictly, the parentheses aren't needed because the precedence of -a and -o makes it correct even without them.
Note that the -a and -o operators...
How to redirect 'print' output to a file using python?
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The most obvious way to do this would be to print to a file object:
with open('out.txt', 'w') as f:
print >> f, 'Filename:', filename # Python 2.x
print('Filename:', filename, file=f) # Python 3.x
However, r...