大约有 46,000 项符合查询结果(耗时:0.0713秒) [XML]

https://stackoverflow.com/ques... 

Command Prompt - How to add a set path only for that batch file executing?

Basically, I know I can go through my control panel and modify the path variable. But, I'm wondering if there is a way to through batch programming have a temporary path included? That way it is only used during that batch file execution. I don't want to have people go in and modify their path varia...
https://stackoverflow.com/ques... 

How do I use itertools.groupby()?

I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this: ...
https://stackoverflow.com/ques... 

No visible cause for “Unexpected token ILLEGAL”

...our basic token types, it gets labelled "ILLEGAL" on most implementations, and this error is thrown. The same error is raised if, for example, you try to run a js file with a rogue @ character, a misplaced curly brace, bracket, "smart quotes", single quotes not enclosed properly (e.g. this.run('dev1...
https://stackoverflow.com/ques... 

What does $@ mean in a shell script?

...r then $@ will be equal to foo bar. If you do: ./someScript.sh foo bar and then inside someScript.sh reference: umbrella_corp_options "$@" this will be passed to umbrella_corp_options with each individual parameter enclosed in double quotes, allowing to take parameters with blank space from t...
https://stackoverflow.com/ques... 

How to access a mobile's camera from a web app?

In my web app (not native app) for mobiles, I want to take a photo and upload it, but I don't want to use Adobe Flash. Is there any way to do this? ...
https://stackoverflow.com/ques... 

Parser for C#

...source, parser used in SharpDevelop. Includes semantic analysis. C# Parser and CodeDOM: A complete C# 4.0 Parser, already support the C# 5.0 async feature. Commercial product (49$ to 299$) (answer by Ken Beckett) Microsoft Roslyn CTP: Compiler as a service. Works on assembly: System.Reflection ...
https://stackoverflow.com/ques... 

Make a div fill the height of the remaining screen space

...ers briefly mentioning flexbox; however, that was more than two years ago, and they don't provide any examples. The specification for flexbox has definitely settled now. Note: Though CSS Flexible Boxes Layout specification is at the Candidate Recommendation stage, not all browsers have implement...
https://stackoverflow.com/ques... 

What is the best way to ensure only one instance of a Bash script is running? [duplicate]

... a lockfile approach. If you acquire the lock, proceed else show a message and exit. As an example: [Terminal #1] $ lockfile -r 0 /tmp/the.lock [Terminal #1] $ [Terminal #2] $ lockfile -r 0 /tmp/the.lock [Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock" [Terminal #1] $ rm -f /tmp/the....
https://stackoverflow.com/ques... 

What is a message pump?

...ng Office in an interactive session on a desktop, with a monitor, keyboard and mouse and, most importantly, a message pump." I'm not sure what that is. (I've been programming in C# for only about a year; my other programming experience has primarily been with ColdFusion.) ...
https://stackoverflow.com/ques... 

WARNING: UNPROTECTED PRIVATE KEY FILE! when trying to SSH into Amazon EC2 Instance

I'm working to set up Panda on an Amazon EC2 instance. I set up my account and tools last night and had no problem using SSH to interact with my own personal instance, but right now I'm not being allowed permission into Panda's EC2 instance. Getting Started with Panda ...