大约有 9,000 项符合查询结果(耗时:0.0184秒) [XML]

https://stackoverflow.com/ques... 

MySQL vs MongoDB 1000 reads

...tched by id) Retrieve the contents of one database page (the actual binary json document) So a b-tree lookup, and a binary page read. Log(n) + 1 IOs. If the indexes can reside entirely in memory, then 1 IO. In MySQL with 20 tables, you have to perform: One index lookup on the root table (again,...
https://stackoverflow.com/ques... 

Oracle TNS names not showing when adding new connection to SQL Developer

...olve the alias Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = XXX)(PORT = 1521)) (CONNECT_DATA = (SERVICE_NAME = DEV))) OK (30 msec) C:\> Sometimes, the problem is with the entry you made in tnsnames.ora, not that the system can't find it. That said, I agree that havin...
https://stackoverflow.com/ques... 

Writing a list to a file with Python

... This isn't terribly complex, but why not just use pickle or json so that you don't have to worry about the serialization and deserialization? – Jason Baker May 22 '09 at 18:37 ...
https://stackoverflow.com/ques... 

What is the best AJAX library for Django? [closed]

... Incidently, don't ever construct a JSON response like "{'response_text': '"+post_text+" recieved.'}" as in the third link. Import json or simplejson and use dumps! – Flash Sep 20 '12 at 1:55 ...
https://stackoverflow.com/ques... 

How to check whether a string is Base64 encoded or not

... Try like this for PHP5 //where $json is some data that can be base64 encoded $json=some_data; //this will check whether data is base64 encoded or not if (base64_decode($json, true) == true) { echo "base64 encoded"; } else { echo ...
https://stackoverflow.com/ques... 

How do you determine the ideal buffer size when using FileInputStream?

...For example, your adsl maybe preffer a buffer of 1454 bytes, thats because TCP/IP's payload. For disks, you may use a value that match your disk's block size. share | improve this answer | ...
https://stackoverflow.com/ques... 

CURL alternative in Python

...uests I never looked back to using urllib2 directly anymore. The built-in JSON decoding is handy as well. No need to manually load the body with json if the appropriate content-type is set. – Thomas Farvour Dec 17 '13 at 21:36 ...
https://stackoverflow.com/ques... 

How to know if two arrays have the same values

... Object equality check:JSON.stringify(array1.sort()) === JSON.stringify(array2.sort()) The above test also works with arrays of objects in which case use a sort function as documented in http://www.w3schools.com/jsref/jsref_sort.asp Might suffice...
https://stackoverflow.com/ques... 

Rails: call another controller action from a controller

...her. Redirecting is really something different. Also: render status: :ok, json: JSON.parse(controller.render(:action_you_want).first) seems to work to return JSON from the other controller – Yourpalal Jul 28 '17 at 15:08 ...
https://stackoverflow.com/ques... 

Add new methods to a resource controller in Laravel

... autoloaded, they must be in some directory that you have in your composer.json ("autoload" section). Then you just need to: Route::resource('users', 'UsersController'); And this (look at the last line) is the result if you run php artisan routes: Those are my source files: ExtendedRouteFacad...