大约有 3,000 项符合查询结果（耗时：0.0278秒） [XML]
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
... Adding new String[]{OpenableColumns.DISPLAY_NAME} as a second parameter to query will filter the columns for a more efficient request.
– JM Lord
Jan 19 '18 at 16:34
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PostgreSQL: How to pass parameters from command line?
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You can also pass-in the parameters at the psql command-line, or from a batch file. The first statements gather necessary details for connecting to your database.
The final prompt asks for the constraint values, which will be used in the WHERE colu...
Difference between HashMap, LinkedHashMap and TreeMap
...rts access-order (when using the constructor with the boolean access-order param).
– Eyal Schneider
Jun 5 '14 at 9:23
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How to copy a collection from one database to another in MongoDB
... It works on PW protected DBs you just need to pass the auth in the params
– Ben
Jul 17 '17 at 14:05
2
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HTML5 Video Dimensions
...ions ----- //
/**
Returns the dimensions of a video asynchrounsly.
@param {String} url Url of the video to get dimensions from.
@return {Promise} Promise which returns the dimensions of the video in 'width' and 'height' properties.
*/
function getVideoDimensionsOf(url){
return new Prom...
How to find patterns across multiple lines using grep?
...ferent lines:
grep -Pzl '(?s)abc.*\n.*efg' <your list of files>
Params:
-P Use perl compatible regular expressions (PCRE).
-z Treat the input as a set of lines, each terminated by a zero byte instead of a newline. i.e. grep treats the input as a one big line.
-l list matching filenames...
Detect when an image fails to load in Javascript
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/**
* Tests image load.
* @param {String} url
* @returns {Promise}
*/
function testImageUrl(url) {
return new Promise(function(resolve, reject) {
var image = new Image();
image.addEventListener('load', resolve);
image.addEventListener('...
How to Programmatically Add Views to Views
...ctor (e.g., Button myButton = new Button();), you'll need to call setLayoutParams on the newly constructed view, passing in an instance of the parent view's LayoutParams inner class, before you add your newly constructed child to the parent view.
For example, you might have the following code in yo...
Multiple actions were found that match the request in Web Api
...efault",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional });
But in order to have multiple actions with the same http method you need to provide webapi with more information via the route like so:
routes.MapHttpRoute(
name: "API Default",
routeTemplate: "api/{...
Most Useful Attributes [closed]
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You can pass "true" as one of the parameters to System.Obsolete which causes the warning to become an error therefore breaking the build. Obviously this should be done once you have cleaned up all the warnings. :)
– Adrian Clark
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