大约有 40,760 项符合查询结果（耗时：0.0264秒） [XML]
How can I determine whether a 2D Point is within a Polygon?
I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated.
...
Is there a way to make R beep/play a sound at the end of a script?
When I run R scripts I go do something else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
...
Installing PDO driver on MySQL Linux server
I was suggested, not long ago, to change my code to use PDO in order to parameterize my queries and safely save HTML in the database.
...
WCF timeout exception detailed investigation
We have an application that has a WCF service (*.svc) running on IIS7 and various clients querying the service. The server is running Win 2008 Server. The clients are running either Windows 2008 Server or Windows 2003 server. I am getting the following exception, which I have seen can in fact be rel...
Java: when to use static methods
I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the class. Does this mean I should use a static method?
...
Is it possible to use AutoLayout with UITableView's tableHeaderView?
Since I discovered AutoLayout I use it everywhere, now I'm trying to use it with a tableHeaderView .
29 Answers
...
Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
...
vim - How to delete a large block of text without counting the lines?
In vim, I often find myself deleting (or copying) large blocks of text. One can count the lines of text and say (for example) 50dd to delete 50 lines.
...
How do I get my solution in Visual Studio back online in TFS?
I had my solution in Visual Studio 2012 (which is under TFS source control) open and the TFS server (2010) was down. When I then made a change to one of the files and attempted to save it I got a prompt to ask whether I wanted to Overwrite the file saying the TFS server was down (can't remember the ...
How can I get zoom functionality for images?
Is there a common way to show a big image and enable the user to zoom in and out and pan the image?
13 Answers
...