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What is the X-REQUEST-ID http header?
...en you're operating a webservice that is accessed by clients, it might be difficult to correlate requests (that a client can see) with server logs (that the server can see).
The idea of the X-Request-ID is that a client can create some random ID and pass it to the server. The server then include th...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...for debugging purposes.
I.e. to make sure that the object is the same (or different) depending on the situation.
6 Answers
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Converting NumPy array into Python List structure?
....int32 or np.float32) to the "nearest compatible Python type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll end up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.)
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JavaScript chop/slice/trim off last character in string
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forgive me if I'm wrong but don't you need to assign the value of str.substring to str again? Like str = str.substring(0, str.length -1);
– Doug Molineux
Jul 15 '11 at 16:10
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How to put an image in div with CSS?
...nt/
This has been tested on Chrome, firefox and Safari. (I'm on a mac, so if someone has the result on IE, tell me to add it)
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Is there a Subversion command to reset the working copy?
...o iterate over all of the files, use then grep the result of svn list, and if the grep fails, then delete it.
EDIT:
The solution for the creative script is here: Automatically remove Subversion unversioned files
So you could create a script that combines a revert with whichever answer in the linke...
Python: List vs Dict for look up table
... amortized O(1), with regard to the number of items in the data structure. If you don't need to associate values, use sets.
Memory
Both dictionaries and sets use hashing and they use much more memory than only for object storage. According to A.M. Kuchling in Beautiful Code, the implementation tri...
Read and overwrite a file in Python
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If you don't want to close and reopen the file, to avoid race conditions, you could truncate it:
f = open(filename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
Th...
What is a unix command for deleting the first N characters of a line?
...un essentially that command, 'cut' doesn't print the results to stdout ... if i just run 'tail -f logfile | cut -c 5-' i can see the results ... the problem must be with grep i'm using cygwin FYI thanks
– les2
Jun 9 '09 at 19:15
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Get root view from current activity
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If you need root view of your activity (so you can add your contents there) use
findViewById(android.R.id.content).getRootView()
Also it was reported that on some devices you have to use
getWindow().getDecorView().findVi...