大约有 40,000 项符合查询结果（耗时：0.0437秒） [XML]
JSON: why are forward slashes escaped?
...
JSON doesn't require you to do that, it allows you to do that. It also allows you to use "\u0061" for "A", but it's not required. Allowing \/ helps when embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of ...
Remove all whitespaces from NSString
...ng stringByReplacingOccurrencesOfString:@" " withString:@""]
2) If you really need to remove a set of characters (namely not only the space character, but any whitespace character like space, tab, unbreakable space, etc), you could split your string using the whitespaceCharacterSet then joining th...
Improving bulk insert performance in Entity framework [duplicate]
...ackages of 1000 items and see the changes in performance.
Since during all this inserts, the context is the same and it is getting bigger, you can rebuild your context object every 1000 inserts. var yourContext = new YourContext(); I think this is the big gain.
Doing this improvements in an imp...
Can you determine if Chrome is in incognito mode via a script?
...his, or the accepted answer should change. Not to take away from the originally accepted answer as it was the correct solution at the time.
– Cruncher
Aug 12 '19 at 15:13
1
...
Need to list all triggers in SQL Server database with table name and table's schema
I need to list all triggers in SQL Server database with table name and table's schema.
19 Answers
...
Returning IEnumerable vs. IQueryable
...ecution.
The difference is that IQueryable<T> is the interface that allows LINQ-to-SQL (LINQ.-to-anything really) to work. So if you further refine your query on an IQueryable<T>, that query will be executed in the database, if possible.
For the IEnumerable<T> case, it will be L...
Log all queries in mysql
... following in your my.cnf file:
log = log_file_name
Either one will log all queries to log_file_name.
You can also log only slow queries using the --log-slow-queries option instead of --log. By default, queries that take 10 seconds or longer are considered slow, you can change this by setting l...
How to see all TODO tasks in Android Studio?
How could I open a view in Android Studio where all tasks that I've created using // TODO comments would be displayed?
2 ...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...to mention, has tenuous support for C extensions. It has support, but typically at slower-than-Python speeds and it's iffy at best. Hence a lot of modules simply require CPython. PyPy doesn't support numpy PyPy now supports numpy. Some extensions are still not supported (Pandas, SciPy, etc.), take a...
Best way to add page specific JavaScript in a Rails 3 app?
...equire jquery
//= require jquery_ujs
//= require_tree ./global // requires all js files in global folder
in a new admin.js manifest file
//= require_tree ./admin // requires all js files in admin folder
Make sure this new js manifest is loaded by editing config/production.rb
config.assets.prec...