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What is the difference between Reader and InputStream?
... the raw method of getting information from a resource. It grabs the data byte by byte without performing any kind of translation. If you are reading image data, or any binary file, this is the stream to use.
A Reader is designed for character streams. If the information you are reading is all t...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
...
If you want remove all local changes - including files that are untracked by git - from your working copy, simply stash them:
git stash push --include-untracked
If you don't need them anymore, you now can drop that stash:
git stash drop
If you don't want to stash changes that you already stag...
pass **kwargs argument to another function with **kwargs
... (kwargs). But Python expects: 2 formal arguments plus keyword arguments.
By prefixing the dictionary by '**' you unpack the dictionary kwargs to keywords arguments.
A dictionary (type dict) is a single variable containing key-value pairs.
"Keyword arguments" are key-value method-parameters.
Any...
Listing only directories using ls in Bash?
...
@isomorphismes, how did you measure the time? By what means? By the way, I have to say, No. 1 is my favorite.
– Albert
Aug 3 '13 at 1:47
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...tution takes place. A parameter in the replacement list, unless preceded
by a # or ## preprocessing token or followed by a ## preprocessing token (see below), is
replaced by the corresponding argument after all macros contained therein have been
expanded. Before being substituted, each argumen...
How to test that no exception is thrown?
... of functionality.
Or, as defined in The art of Unit Testing, 2nd Edition by Roy Osherove, page 11:
A unit test is an automated piece of code that invokes the unit of work being tested, and then checks some assumptions about a single end result of that unit. A unit test is almost always written...
Redis is single-threaded, then how does it do concurrent I/O?
...pporting concurrent I/Os means the server is able to serve several clients by executing several flows corresponding to those clients with only one computation unit. In this context, parallelism would mean the server is able to perform several things at the same time (with multiple computation units)...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...tinct from any other invocation of this
constructor.
could be extended by "across threads" and "uncorrelated"
Seed Sequence Quality
But the randomness of the seeding sequence is only as good as the underlying RNG.
The RNG used for the seed sequence in this java implementation uses a multiplic...
Is there a list of Pytz Timezones?
...ocked when I first found it out. (Interestingly enough, the pytz installed by yum on CentOS 7 does not exhibit this problem.)
import pytz
import dateutil.tz
from datetime import datetime
print((datetime(2017,2,13,14,29,29, tzinfo=pytz.timezone('Asia/Shanghai'))
- datetime(2017,2,13,14,29,29, t...
How do I avoid the specification of the username and password at every git push?
...d_rsa.pub into the field labeled 'Key'.
If your repository is administered by somebody else, give the administrator your id_rsa.pub.
If your remote repository is administered by your, you can use this command for example:
scp ~/.ssh/id_rsa.pub YOUR_USER@YOUR_IP:~/.ssh/authorized_keys/id_rsa.pub
...