大约有 41,000 项符合查询结果（耗时：0.0324秒） [XML]
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...They're the same!". Unfortunately you can't guarantee that.
Take the following example:
function Array() {
this.is = 'SPARTA';
}
var a = new Array();
var b = [];
alert(a.is); // => 'SPARTA'
alert(b.is); // => undefined
a.push('Woa'); // => TypeError: a.push is not a function
b.pus...
Should I use Python 32bit or Python 64bit
I have a win7 64bit installation. Must I use Python 64bit? What are the differences between the 32bit and 64bit Python versions anyway? Do different Python packages (such as south, django, mysqldb etc) support only 32bit/64bit?
...
Collections.emptyMap() vs new HashMap()
...sing a Collection instead of null to avoid Exceptions being thrown on following operations? Using an immutable collection would just result in some other sort of exception I imagine. And assigning null is most certainly not less efficient than assigning a immutable constant.
– ...
How do I connect to a MySQL Database in Python?
...ll it using easy_install. Please note MySQLdb only supports Python 2.
For Windows user, you can get an exe of MySQLdb.
For Linux, this is a casual package (python-mysqldb). (You can use sudo apt-get install python-mysqldb (for debian based distros), yum install MySQL-python (for rpm-based), or dn...
Mechanisms for tracking DB schema changes [closed]
...o people would try to create the same N.sql file. Of course, the first one wins and the second one is forced to rename to the next highest number and try again. We didn't have the database versioning on a branch, though.
– rix0rrr
Nov 25 '10 at 13:34
...
How to detect modifier key states in WPF?
...
I could not catch the windows key modifier using this method. (CTRL worked fine.) I was trying to catch WIN+RightArrow.
– ANeves thinks SE is evil
May 6 '14 at 19:15
...
What is a handle in C++?
...w much about the resource itself to use it.
For instance, the HWND in the Win32 API is a handle for a Window. By itself it's useless: you can't glean any information from it. But pass it to the right API functions, and you can perform a wealth of different tricks with it. Internally you can think o...
Removing the remembered login and password list in SQL Server Management Studio
...rosoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin worked for me in Win7.
– IsmailS
Jul 22 '10 at 5:24
...
Specify an SSH key for git push for a given domain
I have the following use case: I would like to be able to push to git@git.company.com:gitolite-admin using the private key of user gitolite-admin , while I want to push to git@git.company.com:some_repo using 'my own' private key. AFAIK, I can't solve this using ~/.ssh/config , because the user...
How to find the size of localStorage
...stion seems to indicate that JavaScript doesn't have a built in way of showing the size for a given variable. Does localStorage have a memory size property that I haven't seen? Is there an easy way to do this that I'm missing?
...