大约有 16,000 项符合查询结果（耗时：0.0248秒） [XML]
What .NET collection provides the fastest search
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@Brian: good point. I was assuming (baselessly) Record.Key was a builtin type of some kind.
– Jimmy
Jun 17 '09 at 19:59
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How to get an MD5 checksum in PowerShell
...r
$utf8 = New-Object -TypeName System.Text.UTF8Encoding
$hash = [System.BitConverter]::ToString($md5.ComputeHash($utf8.GetBytes($someString)))
If the content is a file:
$someFilePath = "C:\foo.txt"
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$hash = [System.B...
Postgres NOT in array
... it with coalesce(), e.g.
(some_value != ALL(coalesce(some_array, array[]::int[])))
Or
NOT (some_value = ANY(coalesce(some_array, array[]::int[])))
From the docs:
If the array expression yields a null array, the result of ANY will be null
If the array expression yields a null array, the result of...
How can I click a button behind a transparent UIView?
...mp;& subview.isUserInteractionEnabled && subview.point(inside: convert(point, to: subview), with: event) {
return true
}
}
return false
}
}
Objective C:
@interface PassthroughView : UIView
@end
@implementation PassthroughView
-(BOOL)poi...
href=“tel:” and mobile numbers
...hone/iPod/iPad) automatically detect phone numbers and email addresses and convert them to links. If you don’t want this feature, you should use the following meta tags.
For Safari:
<meta name="format-detection" content="telephone=no">
For BlackBerry:
<meta http-equiv="x-rim-auto-mat...
Android SDK installation doesn't find JDK
... never bothered to actually test it, and their Unix forwardslashes weren't converted to Windows backslashes.
– Kenton Price
May 20 '12 at 1:38
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`ui-router` $stateParams vs. $state.params
...Params can preserve custom objects, types, etc. while $state.params would "convert custom objects into plain objects".
– Amy.js
Mar 30 '15 at 21:30
2
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How to display Toast in Android?
...Toast.LENGTH_LONG).show();
We can define two constants for duration:
int LENGTH_LONG Show the view or text notification for a long period
of time.
int LENGTH_SHORT Show the view or text notification for a short period
of time.
Customizing your toast
LayoutInflater myInflater...
Call UrlHelper in models in ASP.NET MVC
...nk according to routing info
Example:
public class MyModel
{
public int ID { get; private set; }
public string Link
{
get
{
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
return url.Action("ViewAction", "MyModelContro...
Get real path from URI, Android KitKat new storage access framework [duplicate]
...er MediaStore.Images.Media.EXTERNAL_CONTENT_URI or MediaStore.Images.Media.INTERNAL_CONTENT_URI (depending on the SD card situation).
To get document id:
// Will return "image:x*"
String wholeID = DocumentsContract.getDocumentId(uriThatYouCurrentlyHave);
// Split at colon, use second item in the ...