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How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
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How to check if a variable is not null?
...hy in JavaScript are the following (a.k.a. falsy values):
null
undefined
0
"" (the empty string)
false
NaN
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Encoding an image file with base64
...ethods).
That being said, you can use cStringIO to create such an object from a memory buffer:
import cStringIO
import PIL.Image
# assume data contains your decoded image
file_like = cStringIO.StringIO(data)
img = PIL.Image.open(file_like)
img.show()
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What is the difference between printf() and puts() in C?
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10 Answers
10
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iPhone UIButton - image position
...uite simple
[button sizeToFit];
button.titleEdgeInsets = UIEdgeInsetsMake(0, -button.imageView.frame.size.width, 0, button.imageView.frame.size.width);
button.imageEdgeInsets = UIEdgeInsetsMake(0, button.titleLabel.frame.size.width, 0, -button.titleLabel.frame.size.width);
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Why does mongoose always add an s to the end of my collection name
... "s" makes the framework more intelligent, IMHO, that is a bad idea. Apart from that mongoose is an awesome framework.
– Roberto
Feb 12 '13 at 8:22
14
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Git status shows files as changed even though contents are the same
I received a git checkout from someone else and am trying to commit the unstaged changes to the local repository. However, a lot (if not every) file appears as modified even though the contents are exactly the same.
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How to trigger a build only if changes happen on particular set of files
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answered Feb 10 '12 at 21:04
Aaron KushnerAaron Kushner
75666 silver badges44 bronze badges
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How different is Objective-C from C++? [closed]
...t allow objects to be created on the stack - all objects must be allocated from the heap (either explicitly with an alloc message, or implicitly in an appropriate factory method).
Like C++, Objective-C has both structs and classes. However, where in C++ they are treated as almost exactly the same, i...
NAnt or MSBuild, which one to choose and when?
... to figure out how to edit the build script source (*.*proj file) directly from within Visual Studio. With NAnt I just have Visual Studio treat the .build script as an XML file.
Apparently, in Visual Studio, Web Application Projects don't get a *.*proj file by default, so I had great difficulty figu...