大约有 42,000 项符合查询结果（耗时：0.0413秒） [XML]
What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
11
...
What is the difference between an annotated and unannotated tag?
If I want to tag the current commit. I know both of the following command lines work:
3 Answers
...
How to add a right button to a UINavigationController?
I am trying to add a refresh button to the top bar of a navigation controller with no success.
21 Answers
...
Regular Expression to match string starting with “stop”
How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it.
...
Sending a mail from a linux shell script
I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names?
...
How do you tell someone they're writing bad code? [closed]
I've been working with a small group of people on a coding project for fun. It's an organized and fairly cohesive group. The people I work with all have various skill sets related to programming, but some of them use older or outright wrong methods, such as excessive global variables, poor naming ...
Database cluster and load balancing
What is database clustering? If you allow the same database to be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
...
When to use Hadoop, HBase, Hive and Pig?
What are the benefits of using either Hadoop or HBase or Hive ?
16 Answers
16
...
What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
...
Is either GET or POST more secure than the other?
When comparing an HTTP GET to an HTTP POST, what are the differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why?
...