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Try/Catch block in PHP not catching Exception
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PijusnPijusn
9,76977 gold badges4646 silver badges7373 bronze badges
7
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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 ...
Addition for BigDecimal
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edited Dec 14 '11 at 21:16
Bhesh Gurung
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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 [ "$i" = 1000 ]; done
real 0m33.478s
user 0m33.478s
sys 0m0.000s
The braces, in addition to delimiting a variable name are used for par...
Simple state machine example in C#?
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425
Let's start with this simple state diagram:
We have:
4 states (Inactive, Active, Paused, ...
Alphabet range in Python
...wxyz'
ascii_uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
digits = '0123456789'
hexdigits = '0123456789abcdefABCDEF'
octdigits = '01234567'
printable = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
punct...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...悉的语言：
#!/usr/bin/awk -f
BEGIN {
FS="&";
}
NF == 4 {
param["page_x"] = "0";
param["page_y"] = "0";
param["screen_width"] = "0";
param["screen_height"] = "0";
split($0, query, "&");
for (key in query) {
split(query[key]...
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...
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.
share
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improve this answer
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How to get the error message from the error code returned by GetLastError()?
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149
//Returns the last Win32 error, in string format. Returns an empty string if there is no error....