大约有 47,000 项符合查询结果（耗时：0.0994秒） [XML]
Sql Server equivalent of a COUNTIF aggregate function
...
You could use a SUM (not COUNT!) combined with a CASE statement, like this:
SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CA...
Looping through localStorage in HTML5 and JavaScript
...
You can use the key method. localStorage.key(index) returns the indexth key (the order is implementation-defined but constant until you add or remove keys).
for (var i = 0; i < localStorage.length; i++){
$('body').append(localStorage.ge...
Deserialize json object into dynamic object using Json.net
...ic object from a json deserialization using json.net? I would like to do something like this:
8 Answers
...
Array to String PHP?
What is the best method for converting a PHP array into a string?
I have the variable $type which is an array of types.
...
Get raw POST body in Python Flask regardless of Content-Type header
...will.
If you access request.data first, it will call get_data with an argument to parse form data first. If the request has a form content type (multipart/form-data, application/x-www-form-urlencoded, or application/x-url-encoded) then the raw data will be consumed. request.data and request.json wi...
How do I convert an HttpRequestBase into an HttpRequest object?
inside my ASP.NET MVC controller, I've got a method that requires an HttpRequest object. All I have access to is an HttpRequestBase object.
...
Eclipse IDE: How to zoom in on text?
I want the same behaviour Firefox has, when you use the scroll button in the mouse to zoom in and out on the current view.
Is there something like it for eclipse?
...
Where to get “UTF-8” string literal in Java?
...
import java.nio.charset.StandardCharsets;
...
StandardCharsets.UTF_8.name();
For Android: minSdk 19
share
|
improve this answer
|
follow
|
...
Access Container View Controller from Parent iOS
... have the parent view controller (the one housing the container view) implement a method like this:
- (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
NSString * segueName = segue.identifier;
if ([segueName isEqualToString: @"alertview_embed"]) {
AlertViewControlle...
How to write a UTF-8 file with Java?
I have some current code and the problem is its creating a 1252 codepage file, i want to force it to create a UTF-8 file
9 ...