大约有 36,010 项符合查询结果（耗时：0.0635秒） [XML]
Broken references in Virtualenvs
I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
val-mutable versus var-immutable in Scala
...actical matter, a method-local var is the safest var that exists, since it doesn't escape the method. If the method is short, even better. If it isn't, try to reduce it by extracting other methods.
On the other hand, a mutable collection has the potential to escape, even if it doesn't. When changin...
SqlException from Entity Framework - New transaction is not allowed because there are other threads
...blogs.msdn.com/brada/archive/2003/10/02/50420.aspx
– Doctor Jones
May 21 '10 at 13:20
9
...
What is the difference between an IntentService and a Service? [duplicate]
...erations, taking care of background Thread creation and cleanup.
From the docs:
Service
A Service is an application component representing either an application's desire to perform a longer-running operation while not interacting with the user or to supply functionality for other applications to u...
Resetting generator object in Python
...
If you're wondering about what it will do in this case, it's essentially caching elements in the list. So you might as well use y = list(y) with the rest of your code unchanged.
– ilya n.
Aug 13 '09 at 12:35
...
How can I add timestamp to logs using Node.js library Winston?
... was dealing with the same issue myself. There are two ways I was able to do this.
When you include Winston, it usually defaults to adding a Console transport. In order to get timestamps to work in this default case, I needed to either:
Remove the console transport and add again with the timest...
psql: could not connect to server: No such file or directory (Mac OS X)
...5432 that was in the error message above. i used the following command:
sudo find / -name .s.PGSQL.5432 -ls
this didn't show anything after searching my whole computer so the file didn't exist, but obviously psql "wanted it to" or "thought it was there".
I took a look at my server logs and saw th...
Client to send SOAP request and receive response
Trying to create a C# client (will be developed as a Windows service) that sends SOAP requests to a web service (and gets the results).
...
Apache Spark: The number of cores vs. the number of executors
... YARN containers because the node needs some
resources to run the OS and Hadoop daemons. In this case, we leave a
gigabyte and a core for these system processes. Cloudera Manager helps
by accounting for these and configuring these YARN properties
automatically.
The likely first impulse would be to u...
Define css class in django Forms
...
Yet another solution that doesn't require changes in python code and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
...