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How are 3D games so efficient? [closed]
...special'?
– tur1ng
Feb 7 '10 at 17:24
3
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Running shell command and capturing the output
...heck_output(['ls', '-l'])
b'total 0\n-rw-r--r-- 1 memyself staff 0 Mar 14 11:04 files\n'
check_output runs a single program that takes only arguments as input.1 It returns the result exactly as printed to stdout. If you need to write input to stdin, skip ahead to the run or Popen sections. If y...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...s' on fruit field. This will not count all rows, it will only yield 3, not 4
SELECT count(fruit) FROM fruit
Though some RDBMS do that sort of principle (for counting the table's rows, it accepts table name as COUNT's parameter), this will work in Postgresql (if there is no subordinate field in an...
Why is there “data” and “newtype” in Haskell? [duplicate]
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4 Answers
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Active
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What does FETCH_HEAD in Git mean?
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CascabelCascabel
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Benefits of EBS vs. instance-store (and vice-versa) [closed]
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294
The bottom line is you should almost always use EBS backed instances.
Here's why
EBS backed i...
Does “git fetch --tags” include “git fetch”?
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Note: starting with git 1.9/2.0 (Q1 2014), git fetch --tags fetches tags in addition to what are fetched by the same command line without the option.
See commit c5a84e9 by Michael Haggerty (mhagger):
Previously, fetch's "--tags" option was considered equivale...
Why are static variables considered evil?
...eneral.
– M Platvoet
Aug 11 '11 at 14:20
146
@M Platvoet: I would say that given a choice between...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...次起不需要再向Global Master查询group信息（缓存机制）；（4）保持和Global Slave的强一致性同步，保持自身健康状态并向全局的“心跳”服务验证自身的状态。
现在我们结合图来逐条解释上述工作，显然，这个系统的完整轮廓已经...
How to see which commits in one branch aren't in the other?
...it checkout devel
git cherry next
... and see output a bit like this:
+ 492508acab7b454eee8b805f8ba906056eede0ff
- 5ceb5a9077ddb9e78b1e8f24bfc70e674c627949
+ b4459544c000f4d51d1ec23f279d9cdb19c1d32b
+ b6ce3b78e938644a293b2dd2a15b2fecb1b54cd9
The commits that begin with + will be the ones that y...