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PHP function to make slug (URL string)
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leoap
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answered Jun 2 '10 at 7:57
MaerlynMaerlyn
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...打印消息头。
探针可以关联动作,把动作放到{}中。
3. 文件打开
# bpftrace -e 'tracepoint:syscalls:sys_enter_openat { printf("%s %s\n", comm, str(args->filename)); }'
Attaching 1 probe...
snmp-pass /proc/cpuinfo
snmp-pass /proc/stat
snmpd /proc/net/dev
snmpd /proc...
Iterating C++ vector from the end to the beginning
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Chipster
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answered Aug 31 '10 at 16:11
James CurranJames Cur...
Regular expression to match non-ASCII characters?
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WonderLand
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answered Sep 29 '08 at 18:45
Jeremy RutenJeremy ...
Should I use char** argv or char* argv[]?
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answered Apr 23 '09 at 2:59
Johannes Schaub - litbJohannes Schaub - litb
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isset() and empty() - what to use
...as been set to NULL
Your code would be fine as:
<?php
$var = '23';
if (!empty($var)){
echo 'not empty';
}else{
echo 'is not set or empty';
}
?>
For example:
$var = "";
if(empty($var)) // true because "" is considered empty
{...}
if(isset($var)) //tru...
How to write log base(2) in c/c++
...:29
Joey
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answered Jun 17 '10 at 19:27
Adam CrumeA...
Fastest way to check if a value exists in a list
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13 Answers
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Why was the switch statement designed to need a break?
...h of which has an
average of seven cases. Fall through
occurs in just 3% of all these cases.
In other words, the normal switch
behavior is wrong 97% of the time.
It's not just in a compiler - on the
contrary, where fall through was used
in this analysis it was often for
situation...
Nested function in C
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James McNellisJames McNellis
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