大约有 16,317 项符合查询结果（耗时：0.0288秒） [XML]
Comparing two collections for equality irrespective of the order of items in them
I would like to compare two collections (in C#), but I'm not sure of the best way to implement this efficiently.
19 Answers...
PDO Prepared Inserts multiple rows in single query
I am currently using this type of SQL on MySQL to insert multiple rows of values in one single query:
22 Answers
...
How can I make an “are you sure” prompt in a Windows batchfile?
I have a batch file that automates copying a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
...
When do you use the “this” keyword? [closed]
...her people use the this keyword. I tend to use it in constructors, but I may also use it throughout the class in other methods. Some examples:
...
Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
Best practice: PHP Magic Methods __set and __get [duplicate]
These are simple examples, but imagine you have more properties than two in your class.
9 Answers
...
How to write log base(2) in c/c++
...
Simple math:
log2 (x) = logy (x) / logy (2)
where y can be anything, which for standard log functions is either 10 or e.
share
|
...
ImportError: numpy.core.multiarray failed to import
I'm trying to run this program
26 Answers
26
...
Ways to save Backbone.js model data?
I am more into front end development and have recently started exploring Backbone.js into my app. I want to persist the model data to the server.
...
How to remove the underline for anchors(links)?
...
Use CSS. this removes underlines from a and u elements:
a, u {
text-decoration: none;
}
Sometimes you need to override other styles for elements, in which case you can use the !important modifier on your rule:
a {
text-decoration...