大约有 40,000 项符合查询结果（耗时：0.0560秒） [XML]
Installing Java on OS X 10.9 (Mavericks)
...e solution was to manually download and install the official Java package for OS X, which is in Java for OS X 2013-005.
Update: As mentioned in the comments below, there is a newer version of this same package:
Java for OS X 2014-001
Java for OS X 2014-001 (Correcting dead line above)
Java f...
How to “properly” print a list?
...n Python 3 (where print is a builtin function and not a syntax feature anymore):
mylist = ['x', 3, 'b']
print('[%s]' % ', '.join(map(str, mylist)))
Both return:
[x, 3, b]
This is using the map() function to call str for each element of mylist, creating a new list of strings that is then joined...
Sublime as default editor
Is there a way to set Sublime Text as the default text editor for file formats on Windows 7?
10 Answers
...
Checking if object is empty, works with ng-show but not from controller?
...
Use an empty object literal isn't necessary here, you can use null or undefined:
$scope.items = null;
In this way, ng-show should keep working, and in your controller you can just do:
if ($scope.items) {
// items have value
} else {
// items is still null
}
And in your $http ca...
How do I get list of methods in a Python class?
I want to iterate through the methods in a class, or handle class or instance objects differently based on the methods present. How do I get a list of class methods?
...
Force browser to clear cache
...che busting" is by appending something like "_versionNo" to the file name for each release. For example:
script_1.0.css // This is the URL for release 1.0
script_1.1.css // This is the URL for release 1.1
script_1.2.css // etc.
Or alternatively do it after the file name:
script.css?v=1.0 // T...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...sily install multiple Chrome versions, side-by-side. This answer quotes my original answer, and includes a script which does the job for you.
Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine:
Chrome: Stand-alone installers can be downloaded from File Hippo....
Groovy executing shell commands
...c = 'ls /badDir'.execute()
proc.consumeProcessOutput(sout, serr)
proc.waitForOrKill(1000)
println "out> $sout err> $serr"
displays:
out> err> ls: cannot access /badDir: No such file or directory
share
...
Disable individual Python unit tests temporarily
How can individual unit tests be temporarily disabled when using the unittest module in Python?
7 Answers
...
How do I test for an empty JavaScript object?
...ome additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(obj) {
for(var prop in obj) {
if(obj.hasOwnProperty(prop)) {
return false;
}
}
...