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What's the difference between a 302 and a 307 redirect?
...to make it clear to the user agent that a method change should not be made by the client when following the Location response header.
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valueOf() vs. toString() in Javascript
...d whenever a string conversion is called for, but apparently it is trumped by valueOf().
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Variable declaration placement in C
...rst initialized. Because this gets rid of the risk of using a random value by mistake. Separating declaration and initialization also prevents you from using "const" (or "final") when you could.
C++ unfortunately keeps accepting the old, top declaration way for backward compatibility with C (one C ...
GLib compile error (ffi.h), but libffi is installed
...e directory. I'm sure there's a WONDERFUL reason for that, but I'm annoyed by it.
This line fixes it, when compiling libffi:
/bin/perl -pe 's#^includesdir = .*#includesdir = \@includedir\@#' -i include/Makefile.in
The includes will now be installed in ${PREFIX}/include, which is /usr/local/inclu...
How to convert a JSON string to a Map with Jackson JSON
...also accept an InputStream and you can obtain an InputStream from a string by using the following:
new ByteArrayInputStream(astring.getBytes("UTF-8"));
There's a bit more explanation about the mapper on my blog.
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Update Eclipse with Android development tools v. 23
...d ADT v23.0.2. This solved many problems of previous ADT version 23.
Step-by-step:
Menu Help → Install New Software...
For "Work with", select the Android source https://dl-ssl.google.com/android/eclipse
Tick ADT v23.0 for installation, then click "Next"
Eclipse will show "Install Remediation ...
How do I change the highlight style in Vim spellcheck?
... either have squiggly underlining instead of normal or will be unsupported by vim without manual patching.
– ZyX
May 18 '11 at 19:31
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Pros and Cons of Interface constants [closed]
...and good enough.
While in most cases you can avoid the use of constants by implementing other patterns (strategy or perhaps flyweight), there is something to be said for not needing a half dozen other classes to represent a concept. I think what it boils down to, is how likely is there a need fo...
adding directory to sys.path /PYTHONPATH
...affe to my python path. I can add it's path to the file
/home/xy/.bashrc by add
export PYTHONPATH=/home/xy/caffe-master/python:$PYTHONPATH.
to my /home/xy/.bashrc file.
But when I use pycharm, the path is still not in.
So I can add path to PYTHONPATH variable, by run -> edit Configuration....
Remove items from one list in another
...swered Apr 30 '10 at 15:16
Mark ByersMark Byers
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