大约有 7,200 项符合查询结果(耗时:0.0213秒) [XML]
How to write trycatch in R
I want to write trycatch code to deal with error in downloading from the web.
5 Answers
...
PowerShell says “execution of scripts is disabled on this system.”
I am trying to run a cmd file that calls a PowerShell script from cmd.exe , but I am getting this error:
32 Answers
...
How to convert a Title to a URL slug in jQuery?
...
don't forget to add "/" aswell if you need multi directories seperated
– Val
Jan 21 '11 at 13:35
7
...
Append TimeStamp to a File Name
I have come across this problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.')...
Two versions of python on linux. how to make 2.7 the default
...ur package manager's ability to manage packages. And changing the order of directories in your PATH will affect a lot of other things besides Python. (In fact, it's more common to have /usr/local/bin ahead of /usr/bin, and it may be what you actually want—but if you have it the other way around, p...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
...
Differences between fork and exec
What are the differences between fork and exec ?
9 Answers
9
...
Path to Powershell.exe (v 2.0)
Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder:
...
Typical AngularJS workflow and project structure (with Python Flask)
I am pretty new to this whole MV* client-side framework frenzy. It doesn't have to be AngularJS, but I picked it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and t...
Can a shell script set environment variables of the calling shell? [duplicate]
I'm trying to write a shell script that, when run, will set some environment variables that will stay set in the caller's shell.
...