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How do I get the parent directory in Python?
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Update from Python 3.4
Use the pathlib module.
from pathlib import Path
path = Path("/here/your/path/file.txt")
print(path.parent)
Old answer
Try this:
import os.path
print os.path.abspath(os.path.join(yourpath, os.pardir))
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byte[] to file in Java
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From the doc: NOTE: As from v1.3, the parent directories of the file will be created if they do not exist.
– bmargulies
Dec 3 '10 at 21:51
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Difference between .on('click') vs .click()
...ctor. I think that 1 handler would be created, but that the overhead comes from binding this handler to multiple elements and monitoring all these elements. At least, I didn't find this in the documentation.
– html_programmer
Jun 3 '14 at 14:36
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Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
...rc in my controller to be called in an endless loop. If I remove the ng-if from this line, then the problem is solved.
<iframe ng-if="chat.src" id='chat' name='chat' class='chat' ng-src="{{myTrustSrc(chat.src)}}"></iframe>
The function is only called a few times when ng-if isn't used....
How to check if PHP array is associative or sequential?
...y, how to determine whether an array has sequential numeric keys, starting from 0
Consider which of these behaviours you actually need. (It may be that either will do for your purposes.)
The first question (simply checking that all keys are numeric) is answered well by Captain kurO.
For the seco...
Git error on git pull (unable to update local ref)
... May need both these commands:git gc --prune=now git remote prune origin from stackoverflow.com/questions/2998832/…
– bryan
Jan 15 at 21:50
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Change the URL in the browser without loading the new page using JavaScript
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Sample code is cut and pasted from developer.mozilla.org/en/DOM/Manipulating_the_browser_history . Which actually bothers explaining what foo and bar mean in this case.
– mikemaccana
Feb 1 '11 at 11:45
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?
...WD first
relative to PATH after
Then, if you wanted to run /bin/someprog from your distro, and you did:
someprog
it would sometimes work, but others it would fail, because you might be in a directory that contains another unrelated someprog program.
Therefore, you would soon learn that this is...
Hadoop “Unable to load native-hadoop library for your platform” warning
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The answer depends... I just installed Hadoop 2.6 from tarball on 64-bit CentOS 6.6. The Hadoop install did indeed come with a prebuilt 64-bit native library. For my install, it is here:
/opt/hadoop/lib/native/libhadoop.so.1.0.0
And I know it is 64-bit:
[hadoop@VMWHADTES...
Why would I make() or new()?
... the reason new() and make() need to be different.
The following examples from Effective Go make it very clear:
p *[]int = new([]int) // *p = nil, which makes p useless
v []int = make([]int, 100) // creates v structure that has pointer to an array, length field, and capacity field. So, v is immedi...