大约有 16,800 项符合查询结果（耗时：0.0356秒） [XML]
Rounding float in Ruby
I'm having problems rounding. I have a float, which I want to round to the hundredth of a decimal. However, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
...
Best place to insert the Google Analytics code [duplicate]
Where’s the best place to insert the Google Analytics code in WordPress, header or footer? I prefer footer, because I wanted my site to load faster by reducing the number of scripts in the header, but can it work even if the script is in the footer?
...
See changes to a specific file using git
I know that I can use the git diff command to check the changes, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory.
...
Secure hash and salt for PHP passwords
It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection.
...
How do I check whether a checkbox is checked in jQuery?
...need to check the checked property of a checkbox and perform an action based on the checked property using jQuery.
66 Ans...
Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
...
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 ...
Seeking clarification on apparent contradictions regarding weakly typed languages
I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically.
...
How to find if directory exists in Python
In the os module in Python, is there a way to find if a directory exists, something like:
13 Answers
...
How to remove the underline for anchors(links)?
Is there anyway (in CSS) to avoid the underline for the text and links introduced in the page .. ?
15 Answers
...