大约有 45,000 项符合查询结果（耗时：0.0552秒） [XML]
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...MySQL, and SQL Server DBA on-and off since for almost a decade (along with application development in C, PHP, PL/SQL, C#.NET, and Ruby). So, I have no particular axe to grind in this (sometimes) holy war.
The historical performance benefit of stored procs have generally been from the following (in...
Business logic in MVC [closed]
...t even clearer.) The M is everything else: all the data and logic of your application. You can segregate data and business logic within this layer, and you can call the data portion of this layer your "model", but that's not what the "M" in "MVC" is referring to.
– Mud
...
Manually raising (throwing) an exception in Python
...cific in your message, e.g.:
raise ValueError('A very specific bad thing happened.')
Don't raise generic exceptions
Avoid raising a generic Exception. To catch it, you'll have to catch all other more specific exceptions that subclass it.
Problem 1: Hiding bugs
raise Exception('I know Python!')...
Where in a virtualenv does the custom code go?
...ne follow when using virtualenv ? For instance, if I were building a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
...
The case against checked exceptions
...re not even going to control the method arguments. The arguments made here apply to statically-typed languages only.)
So, what about checked exceptions?
Well here's one of the Java APIs you can use for opening a file.
try {
f = new FileInputStream("goodluckfindingthisfile");
}
catch (FileNotFou...
How many socket connections can a web server handle?
...(ie. IIS, Node.js, Nginx... webserver [but not Apache] with async designed application software)
Good performance/dollar CPU / Ram. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM.
A good firewall/router to match.
No virtual limit/governor - ie. Linux somaxconn, IIS web.config...
No depend...
Correct use for angular-translate in controllers
I'm using angular-translate for i18n in an AngularJS application.
5 Answers
5
...
How to get existing fragments when using FragmentPagerAdapter
...mentPagerAdapter and its source code. But the general solution should also apply to FragmentStatePagerAdapter.
If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether ...
What makes a keychain item unique (in iOS)?
...
The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassI...
Jelly Bean DatePickerDialog — is there a way to cancel?
...d that someone already faced this problem here . But I'm not sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this content there, but I'm not comfortable changing someon...