大约有 47,000 项符合查询结果（耗时：0.0626秒） [XML]
How to resume Fragment from BackStack if exists
...try per Fragment, make the back state name the Fragment's class name (via getClass().getName()). Then when replacing a Fragment, use the popBackStackImmediate() method. If it returns true, it means there is an instance of the Fragment in the back stack. If not, actually execute the Fragment replacem...
Are tuples more efficient than lists in Python?
... lists, moving this structure to tuples decreased lookup times by multiple orders of magnitude for multiple lookups. I believe this to be due to the greater cache locality of the tuple once you start using the tuple due to the removal of the second layer of indirection you demonstrate.
...
When should I use OWIN Katana?
...ame their vehicle accordingly. Therefore, Sedan, Pickup Truck, SUV, VAN, ..etc.. all kind of vehicle showed up in the market. If someone does not need to carry heavy stuff all the time, rather needs a vehicle just for going to workplace, he/she can buy a little Sedan. Someone can buy SUV if he needs...
What does do?
...ed to eliminate validation warnings, this tag must appear in its specified order. Additional info below:
The X-UA-Compatible meta tag allows web authors to choose what version of Internet Explorer the page should be rendered as. IE11 has made changes to these modes; see the IE11 note below. Micro...
What resources are shared between threads?
...two, and set CS to point to the code descriptor, and the rest (DS, ES, SS, etc) to point to the other [2]. But both point to the same stuff!
The person interviewing you had made a hidden assumption that he/she did not state, and that is a stupid trick to pull.
So regarding
Q. So tell me which...
pip install mysql-python fails with EnvironmentError: mysql_config not found
...e path, but I think you're better off adding it permanently (ie add it to /etc/paths) if you plan to install MySQL-python in another environment.
(tested in OSX Mountain Lion)
share
|
improve this ...
How can I use interface as a C# generic type constraint?
...
{
SomeClass<IMyInterface> myMember; // or a property, method, etc.
}
Basically this involves scanning all types, inheritance, members, parameters, etc, etc, etc. If a type is a generic type and has a constraint, we check the constraint; if it's an array, we check the element type.
A...
Get the device width in javascript
... works fine and doesn't affect my markup.
Useful if you are using Sass, etc: To return a more abstract value, such as breakpoint name, instead of px value you can do something like:
Create an element that will store the breakpoint name, e.g. <div id="breakpoint-indicator" />
Using css med...
HTTP GET Request in Node.js Express
...ple, instead of concatenating the chunks you put into an array and join it etc... Hopefully, it gets you started in the right direction:
const http = require('http');
const https = require('https');
/**
* getJSON: RESTful GET request returning JSON object(s)
* @param options: http options objec...
How do you create a read-only user in PostgreSQL?
...test versions of PostgreSQL, you can grant permissions on all tables/views/etc in the schema using a single command rather than having to type them one by one:
GRANT SELECT ON ALL TABLES IN SCHEMA public TO xxx;
This only affects tables that have already been created. More powerfully, you can aut...