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How to use double or single brackets, parentheses, curly braces
...me for ((i=0; i<10000000; i++)); do [[ "$i" = 1000 ]]; done
real 0m24.548s
user 0m24.337s
sys 0m0.036s
$ time for ((i=0; i<10000000; i++)); do [ "$i" = 1000 ]; done
real 0m33.478s
user 0m33.478s
sys 0m0.000s
The braces, in addition to delimiting a variable name are used for par...
Simple state machine example in C#?
...
425
Let's start with this simple state diagram:
We have:
4 states (Inactive, Active, Paused, ...
Factors in R: more than an annoyance?
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49
You should use factors. Yes they can be a pain, but my theory is that 90% of why they're a pain...
Accessing Object Memory Address
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214
The Python manual has this to say about id():
Return the "identity'' of an object.
This is...
Can't start Eclipse - Java was started but returned exit code=13
...ran into this problem when trying to run Eclipse, having installed version 4.2 only minutes ago.
44 Answers
...
How to format a number as percentage in R?
...percent")(x)
## [1] "-100 percent" "0 percent" "10 percent"
## [4] "56 percent" "100 percent" "10,000 percent"
An update, several years later:
These days there is a percent function in the scales package, as documented in krlmlr's answer. Use that instead of my hand-rolled ...
How to get the error message from the error code returned by GetLastError()?
...
149
//Returns the last Win32 error, in string format. Returns an empty string if there is no error....
Keyboard Interrupts with python's multiprocessing Pool
...timeout. To do that, replace
results = pool.map(slowly_square, range(40))
with
results = pool.map_async(slowly_square, range(40)).get(9999999)
or similar.
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Addition for BigDecimal
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edited Dec 14 '11 at 21:16
Bhesh Gurung
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小米360同日竞技：智能手机血战再起 - 资讯 - 清泛网 - 专注C/C++及内核技术
...出用户预期”的产品性能与价格，小米仅用四年时间，2014年销量超过6000万台，是品牌势能的结果。
二是电商蓄能，小米公司从最初的每次开放销售10万台起步，到今年米粉节总销售额20.8亿元，手机销量212万台，订单总数305万...