大约有 23,000 项符合查询结果（耗时：0.0503秒） [XML]
Non-CRUD operations in a RESTful service
... doesn't matter that ordering a car is not just a simple INSERT in the database. Actually, REST is not about exposing your database tables as CRUD operations. From logical point of view you are creating an order (purchase), but the server side is free to do as many processing steps as it wants.
You...
Avoid synchronized(this) in Java?
...synchronized. Let's also imagine that you provide a public hosting service based on your container implementation.
I'm your customer and deploy my "good" servlet on your site. It happens that my code contains a call to getAttribute.
A hacker, disguised as another customer, deploys his malicious se...
Storyboard - refer to ViewController in AppDelegate
consider the following scenario: I have a storyboard-based app. I add a ViewController object to the storyboard, add the class files for this ViewController into the project and specify the name of the new class in the IB identity inspector. Now how am I going to refer to this ViewController program...
Why should we include ttf, eot, woff, svg,… in a font-face
...
WOFF 2.0, based on the Brotli compression algorithm and other improvements over WOFF 1.0 giving more than 30 % reduction in file size, is supported in Chrome, Opera, and Firefox.
http://en.wikipedia.org/wiki/Web_Open_Font_Format
http:...
Why use argparse rather than optparse?
...rce recommends: Why Click)
python-inquirer For selection focused tools and based on Inquirer.js (repo)
If you need a more in-depth comparison please read this and you may end up using docopt or click. Thanks to Kyle Purdon!
...
Performance of Arrays vs. Lists
... if you are reading all of the data; a dictionary would be quicker for key-based lookups.
Here's my results using "int" (the second number is a checksum to verify they all did the same work):
(edited to fix bug)
List/for: 1971ms (589725196)
Array/for: 1864ms (589725196)
List/foreach: 3054ms (5897...
When to use a key/value store such as Redis instead/along side of a SQL database?
...od for frequently updated real-time data, such as session store, state database, statistics, caching and its advanced data structures offers versatility to many other scenarios.
Redis, however, isn't NoSQL replacement for classic relational databases since it doesn't support many standard features ...
How Pony (ORM) does its tricks?
...ntax tree)
Translation of Python AST into "abstract SQL" -- universal
list-based representation of a SQL query
Converting abstract SQL representation into specific
database-dependent SQL dialect
The most complex part is the second step, where Pony must
understand the "meaning" of Python expression...
Binding a WPF ComboBox to a custom list
...these problems.
Edit2 (.NET 4.5): The content of the DropDownList can be based on ToString() and not of DisplayMemberPath, while DisplayMemberPath specifies the member for the selected and displayed item only.
share
...
PreparedStatement IN clause alternatives?
...g any(String sql, final int params) {
// Create a comma-delimited list based on the number of parameters.
final StringBuilder sb = new StringBuilder(
new String(new char[params]).replace("\0", "?,")
);
// Remove trailing comma.
sb.setLength(Math.max(sb.length() - 1, ...