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How to tell which commit a tag points to in Git?
... Checking out the tag and looking at the HEAD seems a bit too laborious to me.
19 Answers
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Combining node.js and Python
...and Python server, I would use Unix sockets if both processes run on the same server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which
provides the same event driven concurr...
Starting python debugger automatically on error
This is a question I have wondered about for quite some time, yet I have never found a suitable solution. If I run a script and I come across, let's say an IndexError, python prints the line, location and quick description of the error and exits. Is it possible to automatically start pdb when an err...
How can I tell when a MySQL table was last updated?
In the footer of my page, I would like to add something like "last updated the xx/xx/200x" with this date being the last time a certain mySQL table has been updated.
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How do I upgrade PHP in Mac OS X?
... awfully obtuse question to ask, but strangely, this problem is poorly documented.
13 Answers
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Javadoc: package.html or package-info.java
When trying to create package level Javadoc comments, whats the preferred method? What do you do?
1 Answer
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Jackson enum Serializing and DeSerializer
...entation.
Alternatively, if you prefer a self-contained solution, an implementation based on @JsonCreator and @JsonValue annotations would be more convenient.
So leveraging on the example by @Stanley the following is a complete self-contained solution (Java 6, Jackson 1.9):
public enum DeviceSche...
Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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StackOverflow程序员推荐：每个程序员都应读的30本书 - 杂谈 - 清泛网 - 专...
...More Effective C++》
推荐数：297
在我职业生涯早期，Scott Meyer的《Effective C++》和后续的《More Effective C++》都对我的编程能力有着直接影响。正如当时的一位朋友所说，这些书缩短你培养编程技能的过程，而其他人可能要花费数年...
Find the last element of an array while using a foreach loop in PHP
I am writing a SQL query creator using some parameters. In Java, it's very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length.
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