大约有 47,000 项符合查询结果（耗时：0.0674秒） [XML]
Is recursion ever faster than looping?
I know that recursion is sometimes a lot cleaner than looping, and I'm not asking anything about when I should use recursion over iteration, I know there are lots of questions about that already.
...
Using IPython notebooks under version control
...
Here is my solution with git. It allows you to just add and commit (and diff) as usual: those operations will not alter your working tree, and at the same time (re)running a notebook will not alter your git history.
Although this can probably be adapted to other VCSs, I know it d...
Naming convention for utility classes in Java
..., as that you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (...
Updating packages in Emacs
... type package-list-packages, which will take you to the *Packages* buffer (and also update the list of packages), and then type U x.
package-refresh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if yo...
Is it possible to make anonymous inner classes in Java static?
...
No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests changing anonymous inner classes to named static nested classes if they don't use their implicit this reference.
Edit: Tom Hawtin - tackline says...
How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...project configuration in Visual Studio 2010, but I've done some research and still can't quite figure this issue out. I have a Visual Studio solution with a C++ DLL referencing the C# DLL. The C# DLL references a few other DLLs, some within my project and some external. When I try to compile the C...
How do you migrate an IIS 7 site to another server?
...key
On the new server, go back to the “Shared Configuration” section and check “Enable shared configuration.” Enter the location in physical path to these files and apply them.
It should prompt for the encryption password(if you set it) and reset IIS.
BAM! Go have a beer!
...
Why is debugging better in an IDE? [closed]
...or over twenty years, programming in C, Perl, SQL, Java, PHP, JavaScript, and recently Python. I've never had a problem I could not debug using some careful thought, and well-placed debugging print statements.
...
What are the best practices for catching and re-throwing exceptions?
... do something meaningful.
"Something meaningful" might be one of these:
Handling the exception
The most obvious meaningful action is to handle the exception, e.g. by displaying an error message and aborting the operation:
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}...
jQueryUI Tooltips are competing with Twitter Bootstrap
...
Both jQuery UI and Bootstrap use tooltip for the name of the plugin. Use $.widget.bridge to create a different name for the jQuery UI version and allow the Bootstrap plugin to stay named tooltip (trying to use the noConflict option on the B...