大约有 42,000 项符合查询结果(耗时:0.0563秒) [XML]
Logging in Scala
What is a good way to do logging in a Scala application? Something that is consistent with the language philosophy, does not clutter the code, and is low-maintenance and unobtrusive. Here's a basic requirement list:
...
Should __init__() call the parent class's __init__()?
...ss' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, calling the super method is not strictly necessary, since the super method is empty. Same for __del__.
O...
Is Fortran easier to optimize than C for heavy calculations?
From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Differences between socket.io and websockets
... you described in #2, and probably more importantly it provides fail-overs to other protocols in the event that WebSockets are not supported on the browser or server. I would avoid using WebSockets directly unless you are very familiar with what environments they don't work and you are capable of wo...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...rking on an Android project that will make a variety of requests from JSON to image to streaming download of audio and video:
...
Why does sudo change the PATH?
...
This is an annoying function a feature of sudo on many distributions.
To work around this "problem" on ubuntu I do
the following in my ~/.bashrc
alias sudo='sudo env PATH=$PATH'
Note the above will work for commands that don't reset the $PATH themselves.
However `su' resets it's $PATH so you...
How to stop tracking and ignore changes to a file in Git?
...
Just calling git rm --cached on each of the files you want to remove from revision control should be fine. As long as your local ignore patterns are correct you won't see these files included in the output of git status.
Note that this solution removes the files from the repository,...
Is it possible to add dynamically named properties to JavaScript object?
...
@thedz: data.PropertyD needs to know the property name, which isn't dynamic enough.
– Georg Schölly
Jul 26 '09 at 9:54
7
...
Tab Vs Space preferences in Vim
Vim is very accommodating when it comes to tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabst...
How to export query result to csv in Oracle SQL Developer?
I'm using Oracle SQL Developer 3.0. Trying to figure out how to export a query result to a text file (preferably CSV). Right clicking on the query results window doesn't give me any export options.
...