大约有 32,000 项符合查询结果（耗时：0.0458秒） [XML]
How can I access the MySQL command line with XAMPP for Windows?
...ind the mysql.exe client around. Let's assume it is in c:\xampp\mysql\bin, then you should fireup a command prompt in this folder.
That means, fire up "cmd", and type:
cd c:\xampp\mysql\bin
mysql.exe -u root --password
If you want to use mysqldump.exe, you should also find it there.
Log into y...
SHA512 vs. Blowfish and Bcrypt [closed]
...ell-understood structure gives it some inherent security that hash-based authentication lacks. Also, it is easier to use common GPUs as a tool for attacking SHA-2–based hashes; because of its memory requirements, optimizing bcrypt requires more specialized hardware like FPGA with some on-board RAM...
RESTfully design /login or /register resources?
I was designing a web app and then stopped to think about how my api should be designed as a RESTful web service. For now, most of my URI's are generic and might apply to various web apps:
...
How to use GROUP_CONCAT in a CONCAT in MySQL
... get a table having all values(comma separated) against a unique[Name,id]. Then from obtained table we get all names and values as a single value against each unique id
See this explained here SQL Fiddle Demo (scroll down as it has two result sets)
Edit There was a mistake in reading question, I ha...
Laravel Migration Change to Make a Column Nullable
...
This is breaking my tests. The tests start to run and then hang. I suppose the first rollback causes this. Causes hanging tests for MySQL as well as for SQLite.
– Thomas Praxl
Jul 19 '18 at 11:49
...
AngularJS : Factory and Service? [duplicate]
...nction's return value ie. You just create an object, add properties to it, then return that same object.When you pass this service into your controller, those properties on the object will now be available in that controller through your factory. (Hypothetical Scenario)
Singleton and will only be cr...
What is the relationship between Looper, Handler and MessageQueue in Android?
...d message queue).
In typical usage, you create and start a HandlerThread, then create a Handler object (or objects) by which other threads can interact with the HandlerThread instance. The Handler must be created while running on the HandlerThread, although once created there is no restriction on w...
C++ equivalent of StringBuffer/StringBuilder?
...mise's appends by batching the short append operations in one small string then appending this to the main string, thus reducing the number of reallocations required on the main string as it gets larger.
I have not required this trick with std::string or std::stringstream. I think it was used with...
Definition of “downstream” and “upstream”
... This is mostly a social issue rather than a technical requirement. Then why there is an option -u like git push --set-upstream origin master if it is not a technical requirement? We can push -u origin or without push origin, so it is a tech requirement. But what's the difference?
...
When should I use mmap for file access?
... mmap a file as read / write in the processes that need to communicate and then use synchronization primitives in the mmap'd region (this is what the MAP_HASSEMAPHORE flag is for).
One place mmap can be awkward is if you need to work with very large files on a 32 bit machine. This is because mmap ...