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How can I visualize per-character differences in a unified diff file?
...ight space changes):
git diff --color-words='[^[:space:]]|([[:alnum:]]|UTF_8_GUARD)+'
In general:
git diff --color-words=<re>
where <re> is a regexp defining "words" for the purpose of identifying changes.
These are less noisy in that they color the changed "words", whereas using ...
How do I uniquely identify computers visiting my web site?
...use the following keys on both document.cookie and window.localStorage:
_ga: Google Analytics data
__utma: Google Analytics tracking cookie
sid: SessionID
Make sure you include links to your Privacy policy and terms of use on all pages that use tracking.
Where do I store my session data?
You ...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...顺利
具体情况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name...
What is the syntax rule for having trailing commas in tuple definitions?
...
Another reason that this exists is that it makes code generation and __repr__ functions easier to write. For example, if you have some object that is built like obj(arg1, arg2, ..., argn), then you can just write obj.__repr__ as
def __repr__(self):
l = ['obj(']
for arg in obj.args: #...
Difference between \w and \b regular expression meta characters
...ters" are "non-word characters".
In all flavors, the characters [a-zA-Z0-9_] are word characters. These are also matched by the short-hand character class \w. Flavors showing "ascii" for word boundaries in the flavor comparison recognize only these as word characters.
\w stands for "word character...
How to replace spaces in file names using a bash script
...ystem already. Do it in two steps:
find -name "* *" -type d | rename 's/ /_/g' # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and directories in a single bound using the "Revision 1.5 1998/12/18 16:1...
How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...EXCEPT for the dash indicating + or - utc offset for the timezone
conformed_timestamp = re.sub(r"[:]|([-](?!((\d{2}[:]\d{2})|(\d{4}))$))", '', timestamp)
datetime.datetime.strptime(conformed_timestamp, "%Y%m%dT%H%M%S.%f%z" )
If your system does not support the %z strptime directive (you see someth...
Get path of executable
...
The boost::dll::program_location function is one of the best cross platform methods of getting the path of the running executable that I know of. The DLL library was added to Boost in version 1.61.0.
The following is my solution. I have tested it ...
How to initialize private static members in C++?
...
Have you found the explanation? @Krishna_Oza
– nn0p
Sep 14 '16 at 9:16
@nn0p not ye...
Draw text in OpenGL ES
...ble bitmap
Bitmap bitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_4444);
// get a canvas to paint over the bitmap
Canvas canvas = new Canvas(bitmap);
bitmap.eraseColor(0);
// get a background image from resources
// note the image format must match the bitmap format
Drawable background = ...