大约有 9,166 项符合查询结果（耗时：0.0326秒） [XML]
Return a value if no rows are found in Microsoft tSQL
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Some apps does not allow you "simply" check
– Nadia Solovyeva
Convert JSON String To C# Object
... uses JavascriptSerializer to do the work, which can be referenced in your app using the info detailed in this post.
The below code can be run in LinqPad to test it out by:
Right clicking on your script tab in LinqPad, and choosing "Query
Properties"
Referencing the "System.Web.Extensions.dll" i...
read file from assets
...ssing you will have to sum up mLine at each pass using StringBuilder() and appending each pass.
ANOTHER EDIT
According to the comment of @Vincent I added the finally block.
Also note that in Java 7 and upper you can use try-with-resources to use the AutoCloseable and Closeable features of recent ...
Format date in a specific timezone
I'm using Moment.js to parse and format dates in my web app. As part of a JSON object, my backend server sends dates as a number of milliseconds from the UTC epoch (Unix offset).
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Make function wait until element exists
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A more modern approach to waiting for elements:
while(!document.querySelector(".my-selector")) {
await new Promise(r => setTimeout(r, 500));
}
// now the element is loaded
Note that this code would need to be wrapped in an async fu...
What are named pipes?
...tain the credentials of the thing on the other end etc).
Unix named pipes appear as a special file in the filesystem and can be accessed with normal file IO commands including the shell. Windows ones don't, and need to be opened with a special system call (after which they behave mostly like a norm...
how to make a specific text on TextView BOLD
... This is the only option that will work if you are localizing your app.
– howettl
Apr 6 '17 at 22:51
Its a goo...
Remove all subviews?
When my app gets back to its root view controller, in the viewDidAppear: method I need to remove all subviews.
15 Answers...
Unable to export Apple production push SSL certificate in .p12 format
I am using Urban airship in my application for push notification. So, I need to download the push SSL certificate from Apple developer portal. After downloading, I added that in keychain access. But no private key was created for the certificate. When I tried to right click and export the certificat...
Handle ModelState Validation in ASP.NET Web API
...but same basic principle for XML):
HTTP/1.1 400 Bad Request
Content-Type: application/json; charset=utf-8
(some headers removed here)
["A value is required.","The field First is required.","Some custom errorm essage."]
You can of course construct your error object/list any way you like, for exam...