大约有 45,000 项符合查询结果（耗时：0.0601秒） [XML]
How can I make the cursor turn to the wait cursor?
I have a C# application that has users login to it, and because the hashing algorithm is expensive, it takes a little while to do. How can I display the Wait/Busy Cursor (usually the hourglass) to the user to let them know the program is doing something?
...
Primary key/foreign Key naming convention [closed]
...same name, NULL = NULL -> NULL means NULL is "unknown" rather than "not applicable", and ON UPDATE CASCADE means that keys need only be unique, not immutable.
– Steven Huwig
Sep 3 '09 at 2:39
...
mailto link with HTML body
...
If you're disappointed by this answer, please keep reading: stackoverflow.com/a/46699855/256272 (tl;dr .eml files)
– Joe
May 24 '18 at 5:20
...
How to run a shell script on a Unix console or Mac terminal?
... runs it so that it can interpret your script:
#!/usr/bin/env bash
This approach has one downside: According to POSIX, the hashbang can have one argument. In this case, we use bash as the argument to the env program. That means we have no space left to pass arguments to bash. So there's no way...
How to read embedded resource text file
...utput dir, and you can read the file using normal means. Example: in a WPF app when you want to display an image.
– Contango
Jul 8 '15 at 6:52
...
Is embedding background image data into CSS as Base64 good or bad practice?
...mages as data into CSS or HTML templates could be beneficial on mobile web apps. You should measure usage on a case-by-case basis -- I'm not advocating that data URIs should be used everywhere in a mobile web app.
Note that mobile browsers have limitations on total size of files that can be cached....
How to check if a specified key exists in a given S3 bucket using Java
...bject is missing. So you can catch that exception and deal with it in your app.
But in order for this to work, you will need to have ListBucket access for the user on that bucket. Just GetObject access will not work. The reason being, Amazon will prevent you from checking for the presence of the k...
Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
Twitter Bootstrap alert message close and open again
...e used if you are lazy (which is no good thing if you want an maintainable app).
The do-it-right method:
Create a new data attribute for hiding an element.
Javascript:
$(function(){
$("[data-hide]").on("click", function(){
$("." + $(this).attr("data-hide")).hide()
// -or-, se...
How does Rails keep track of which migrations have run for a database?
...pecially useful when you are using a mix of a mountable engine and a dummy app
– Donato
May 7 '15 at 20:38
add a comment
|
...