大约有 45,000 项符合查询结果（耗时：0.0230秒） [XML]
How to save a PNG image server-side, from a base64 data string
...ge" JavaScript tool to convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
...
How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...e inputs, but despite the string literals in HTML appearing correct, it is now working.
14 Answers
...
Symfony 2 EntityManager injection in service
...
Update to my own solution. The proper way now should be to use Entities and Repositories. Entity Manager is already naturally injected into a repository. You can see an example here: youtu.be/AHVtOJDTx0M
– Robert Saylor
Oct 1 '1...
Generate random numbers using C++11 random library
...
@chris we all know the difference between a vector and a map, not everyone knows the difference between mt19937 and ranlux24, if someone managed to become a programmer without knowing what a vector and a dictionary are maybe they should hav...
Mediator Vs Observer Object-Oriented Design Patterns
...d want to use the observer pattern, they key is that an object should not know what other objects are observing it's state.
Mediator is a little more specific, it avoids having classes communicate directly but instead through a mediator. This helps the Single Responsibility principle by allowing co...
How to delete all rows from all tables in a SQL Server database?
...ase to send to someone else in an email but my 'empty' database backup was now 14 MB? What did I do wrong?
– Ben
Dec 8 '14 at 15:27
...
Perform commands over ssh with Python
...
For unknown host error, do: ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) before
– Nemo
Jan 22 '19 at 8:16
...
How to make a promise from setTimeout
...ions for resolving/rejecting the promise as arguments.
First, since async now has a meaning in JavaScript (even though it's only a keyword in certain contexts), I'm going to use later as the name of the function to avoid confusion.
Basic Delay
Using native promises (or a faithful polyfill) it wou...
Python: avoid new line with print command [duplicate]
...
sys.stdout.write works oddly. I don't know the syintax for it, could you give me an example of a simple sys.stdout.write command and its output?
– Javicobos
Jun 29 '12 at 17:26
...
How to get function parameter names/values dynamically?
...on the Internet for this topic because I was curious how Angular did it... now I know and also I know too much!
– Steven Hunt
Aug 25 '16 at 16:37
|
...