大约有 30,000 项符合查询结果（耗时：0.0568秒） [XML]
How to show line number when executing bash script
...ipt would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibi...
MongoDB Show all contents from all collections
...the database/collection you want to use as follows:
show dbs
use <db name>
show collections
choose your collection and type the following to see all contents of that collection:
db.collectionName.find()
More info here on the MongoDB Quick Reference Guide.
...
Get/pick an image from Android's built-in Gallery app programmatically
...age URI
*/
public String getPath(Uri uri) {
// just some safety built in
if( uri == null ) {
// TODO perform some logging or show user feedback
return null;
}
// try to retrieve the image from the media store ...
How do I add tab completion to the Python shell?
...
For some reason, the above worked for me in my old mac with "mountain lion" but not working for new mac with "el captan". I need to source ~/.bashrc everytime to make it work before starting python interpreter. Any tips?
...
Multiple commands on same line
I've been trying to find something that will let me run multiple commands on the same line in Vim, akin to using semicolons to separate commands in *nix systems or & in Windows. Is there a way to do this?
...
Hashing a dictionary?
For caching purposes I need to generate a cache key from GET arguments which are present in a dict.
11 Answers
...
moment.js 24h format
How do I display my time in 24h format instead of 12?
8 Answers
8
...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
Using this code in Entity Framework I receive the following error. I need to get all the rows for a specific date, DateTimeStart is of type DataType in this format 2013-01-30 12:00:00.000
...
Reloading/refreshing Kendo Grid
...
You can use
$('#GridName').data('kendoGrid').dataSource.read(); <!-- first reload data source -->
$('#GridName').data('kendoGrid').refresh(); <!-- refresh current UI -->
...
Why doesn't Haskell's Prelude.read return a Maybe?
...v:readMaybe
Great question! The type of read itself isn't changing anytime soon because that would break lots of things. However, there should be a maybeRead function.
Why isn't there? The answer is "inertia". There was a discussion in '08 which got derailed by a discussion over "fail."
The goo...