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App Inventor 2 扩展 · App Inventor 2 中文网
...ot (yet) supported in iOS.
Overview of App Inventor extension components
How to use extension components
2.1 Importing extension components
2.2 Some sample extensions to try
2.3 Building projects with extension components
2.4 Deleting extension components
2.5 Sharing proj...
What's the best mock framework for Java? [closed]
...o removes this, also has a cleaner syntax as it looks like readability was one of its primary goals. I cannot stress enough how important this is, since most of developers will spend their time reading and maintaining existing code, not creating it.
Another nice thing is that interfaces and implem...
PowerShell: Setting an environment variable for a single command only
... somehow seems like cheating. :-) The PSCX Push/Pop-EnvironmentBlock (the one I changed to make work this way) would work but it doesn't have the automatic cleanup support that a scriptblock has.
– Keith Hill
Sep 14 '09 at 17:01
...
Is it correct to use JavaScript Array.sort() method for shuffling?
... the algorithm, pick a random unshuffled element (which could be the first one) and swap it with the first unshuffled element - then treat it as shuffled (i.e. mentally move the partition to include it).
This is O(n) and only requires n-1 calls to the random number generator, which is nice. It also ...
Exclude all transitive dependencies of a single dependency
...t contains an "app" module that is referenced in two WAR-packaged modules. One of those WAR-packaged modules really only needs the domain classes (and I haven't separated them out of the app module yet). I found this to work:
<dependency>
<groupId>${project.groupId}</groupId>
...
Best way to trim strings after data entry. Should I create a custom model binder?
...ollerContext,
ModelBindingContext bindingContext,
System.ComponentModel.PropertyDescriptor propertyDescriptor, object value)
{
if (propertyDescriptor.PropertyType == typeof(string))
{
var stringValue = (string)value;
if (!string.IsNullOrWhiteSpace(string...
Difference between ObservableCollection and BindingList
...any add/delete change in Source, but I actually do not know when to prefer one over the other.
4 Answers
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What's the use of ob_start() in php?
...
Great explanation. I would go one step further and replace ob_get_contents() with ob_get_clean() and remove ob_end_clean() since ob_get_clean() essentially performs both functions. Reference: php.net/manual/en/function.ob-get-clean.php (PHP 4 >= 4.3.0,...
^M at the end of every line in vim
...
One easy way to strip out the DOS line endings is to use the ff option:
:set ff=unix
:wq
Now your file is back to the good-old-Unix-way.
If you want to add the DOS line-endings (to keep a printer happy, or transfer files ...
X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode
... Any further information would be lovely.
– Joel Peltonen
Dec 7 '12 at 13:10
I removed the 'clear' - good catch, it wa...