大约有 42,000 项符合查询结果（耗时：0.0612秒） [XML]
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
I'm running a PHP script and continue to receive errors like:
28 Answers
28
...
Android: How can I get the current foreground activity (from a service)?
Is there a native android way to get a reference to the currently running Activity from a service?
12 Answers
...
How to debug external class library projects in visual studio?
...
Try disabling Just My Code (JMC).
Tools -> Options -> Debugger
Uncheck "Enable Just my Code"
By default the debugger tries to restrict the view of the world to code that is only contained within your solution. This is really heplful at times but whe...
Downloading a file from spring controllers
I have a requirement where I need to download a PDF from the website. The PDF needs to be generated within the code, which I thought would be a combination of freemarker and a PDF generation framework like iText. Any better way?
...
How to convert a ruby hash object to JSON?
How to convert a ruby hash object to JSON? So I am trying this example below & it doesn't work?
5 Answers
...
How to delete a stash created with git stash create?
Git stash seems to do a lot of what I want, except that it is a little hard to script, as the if you have no changes, then git stash; git stash pop will do something different than if you do have changes in your repository.
...
Remote origin already exists on 'git push' to a new repository
...on not part of the command. "origin" is the local name of the remote repository.
For example you could also write:
git remote add myorigin git@github.com:myname/oldrep.git
git remote add testtest git@github.com:myname/oldrep.git
See the manual:
http://www.kernel.org/pub/software/scm/git/docs...
OS X Framework Library not loaded: 'Image not found'
I am trying to create a basic OS X Framework, right now I just have a test framework created: TestMacFramework.framework and I'm trying to import it into a brand new OS X Application project.
...
Real life trading API [closed]
Do you know an API that lets you trade with real life stock or currency?
12 Answers
12...
What does 'var that = this;' mean in JavaScript?
...
I'm going to begin this answer with an illustration:
var colours = ['red', 'green', 'blue'];
document.getElementById('element').addEventListener('click', function() {
// this is a reference to the element clicked on
var that ...