大约有 44,000 项符合查询结果(耗时:0.0568秒) [XML]
differentiate null=True, blank=True in django
...ll=True sets NULL (versus NOT NULL) on the column in your DB. Blank values for Django field types such as DateTimeField or ForeignKey will be stored as NULL in the DB.
blank determines whether the field will be required in forms. This includes the admin and your custom forms. If blank=True then the...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...
Also to note, some weird behaviour, if you use transform on the parent element the background of the parent element will still be underneath the pseudo element whilst the content will be on top.
– Tom C
Nov 28 '16 at 12:06
...
How do you set the startup page for debugging in an ASP.NET MVC application?
How do you start debugging the application at the application root? For example: http://localhost:49742/
6 Answers
...
How to generate and validate a software license key?
...ly involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the ...
git working on two branches simultaneously
...ve cloned a repo (in a folder like /path/to/myrepo), you can add worktrees for different branches in different independent paths (/path/to/br1, /path/to/br2), while having those working trees linked to the main repo history (no need to use a --git-dir option anymore)
See more at "Multiple working d...
Setting git parent pointer to a different parent
...ing to figure out what happened due to your SHAs no longer matching theirs for the "same" commits. (See the "RECOVERING FROM UPSTREAM REBASE" section of the linked man page for details.)
That said, if you're currently on a branch with some commits that you want to move to a new parent, it'd look s...
Changing element style attribute dynamically using JavaScript
I hav a certain style sheet for a div. Now i want to modify one attribute of div dynamically using js.
10 Answers
...
How do I hide javascript code in a webpage?
... do local processing.
With all that said, I think you should focus on performance, reliability and making your app great. If you absolutely have to protect some algorithm, put it on the server, but other than that, compete on being the best at you do, not by having secrets. That's ultimately how...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
...readable
fully configurable (all filters can be turned off)
works with ::before and ::after pseudo-elements
nice UI thanks to Bootstrap & Flat-UI projects
Code
SnappySnippet is open source, and you can find the code on GitHub.
Implementation
Since I've learned quite a lot while making this,...
How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
...
I guess the @Scheduled annotation is out of question. So maybe a solution for you would be to use task-scheduled XML configuration. Let's consider this example (copied from Spring doc):
<task:scheduled-tasks scheduler="myScheduler">
<task:scheduled ref="someObject" method="readLog"
...
