大约有 6,185 项符合查询结果(耗时:0.0327秒) [XML]

https://stackoverflow.com/ques... 

python requests file upload

...the following results. Before, running the open there is no record in lsof table about the filename. Then after the open is executed, multiple records appear with read access. After executing the requests.post, the records are still there indicating that the file did not close. ...
https://stackoverflow.com/ques... 

Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. ...
https://stackoverflow.com/ques... 

Is it worth hashing passwords on the client side

...I always compare the MD5 of the given password with its value in the users table on the server side. 11 Answers ...
https://stackoverflow.com/ques... 

What is the difference between ng-if and ng-show/ng-hide

...e the template. There is an ng-repeat present, and inside the ng-repeat, a table is shown, which has a lot of ng-shows, ng-hides and even ng-switches present. They wanted to show at least 50 repeats in the list, which would result in more or less 1500-2000 directives to be resolved. I checked the co...
https://stackoverflow.com/ques... 

Count, size, length…too many choices in Ruby?

...a query that requests all of the items from the database ('select * from mytable') and then give you the number of items resulting, whereas .count will generate a single query ('select count(*) from mytable') which is considerably faster. Because these ORMs are so prevalent I following the principl...
https://stackoverflow.com/ques... 

What is the best way to implement nested dictionaries?

... star-schema design, you might want to structure it more like a relational table and less like a dictionary. import collections class Jobs( object ): def __init__( self, state, county, title, count ): self.state= state self.count= county self.title= title self.c...
https://stackoverflow.com/ques... 

Why don't self-closing script elements work?

...PUT), implicitly closeable (e.g. P, LI, TD), or explicitly closeable (e.g. TABLE, DIV, SCRIPT). XML, of course, has no concept of this. The tag-soup parsers used by modern browsers evolved out of this legacy, although their parsing model isn't pure SGML anymore. And of course, your carefully-crafte...
https://stackoverflow.com/ques... 

Entity Framework 4 - AddObject vs Attach

...pdate (or delete) the appropriate row by finding its matching ID in the db table. Furthermore, using the Attach method, you can define relationships between entities that already exist in the ObjectContext but that have not been connected automatically. Basically the main purpose of Attach, is to ...
https://stackoverflow.com/ques... 

What is the difference between Sublime text and Github's Atom [closed]

...o run on top of Node.js, and it's a more mature product, about to reach a stable version 3. There are a long list of minor differences that can be included in the comments (I wish this markdown could be able to draw a table for comparisons, but that's another issue). Because of Atom's rapid turnout...
https://stackoverflow.com/ques... 

Why does Dijkstra's algorithm use decrease-key?

...the runtime? That depends on what priority queue you use. Here's a quick table that shows off different priority queues and the overall runtimes of the different Dijkstra's algorithm implementations: Queue | T_e | T_d | T_k | w/o Dec-Key | w/Dec-Key ---------------+--------+--...