大约有 45,000 项符合查询结果（耗时：0.0540秒） [XML]
How to extract the first two characters of a string in shell scripting?
...
Probably the most efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
...
Scala Doubles, and Precision
...
this is perfect if you just need to render the value and never use it in subsequent operations. thanks
– Alexander Arendar
Dec 3 '14 at 21:20
...
getting type T from IEnumerable
... gives you the FullName property which tells you the namespace.classname . If you are looking only for the class name use myEnumerable.GetType().GetGenericArguments()[0].Name
– user5534263
Jun 8 '16 at 14:49
...
Take a screenshot of a webpage with JavaScript?
...y gets you as far as getting the window to the clipboard.
Another option, if the window you want a screenshot of is an HTA would be to just use an XMLHTTPRequest to send the DOM nodes to the server, then create the screenshots server-side.
...
How to remove all event handlers from an event
...
If button1 is set to null, are all event handlers attached to button1.Click correctly disposed?
– Damien
Jul 29 '09 at 4:12
...
Reading in a JSON File Using Swift
I'm really struggling with trying to read a JSON file into Swift so I can play around with it. I've spent the best part of 2 days re-searching and trying different methods but no luck as of yet so I have signed up to StackOverFlow to see if anyone can point me in the right direction.....
...
package R does not exist
...ed by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
share
|
improve this answer
|
...
SQLite: How do I save the result of a query as a CSV file?
...
Use sqlite> .output C:/Users/jdoe/Documents/output.csv if you want to use a specific path.
– Dustin
Mar 29 '16 at 14:01
...
How do I read all classes from a Java package in the classpath?
...
If you have Spring in you classpath then the following will do it.
Find all classes in a package that are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNot...
SQL DROP TABLE foreign key constraint
If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
...