大约有 23,000 项符合查询结果（耗时：0.0264秒） [XML]
Efficiently test if a port is open on Linux?
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The -z flag is not available in the nmap based ncat which most recent distros ship with: Fedora, Centos, etc. (nmap-ncat-6.01-9.fc18.x86_64)
– Zack
Dec 20 '15 at 14:13
...
get CSS rule's percentage value in jQuery
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A jQuery plugin based on Adams answer:
(function ($) {
$.fn.getWidthInPercent = function () {
var width = parseFloat($(this).css('width'))/parseFloat($(this).parent().css('width'));
return Math.round(100*width)+'%';
...
Iterate through the fields of a struct in Go
...o a map[string]int
package main
import (
"fmt"
"reflect"
)
type BaseStats struct {
Hp int
HpMax int
Mp int
MpMax int
Strength int
Speed int
Intelligence int
}
type Stats struct {
Base map[string]int
Modifier...
Maximum value for long integer
...can take. It’s usually 2^31 - 1 on a 32-bit platform and
2^63 - 1 on a 64-bit platform.
floats:
There's float("inf") and float("-inf"). These can be compared to other numeric types:
>>> import sys
>>> float("inf") > sys.maxsize
True
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How to clean node_modules folder of packages that are not in package.json?
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win7 x64 rimraf worked great through PowerShell.. thanks
– gorelative
Apr 27 '16 at 19:55
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How to create default value for function argument in Clojure
...values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
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Automatically open Chrome developer tools when new tab/new window is opened
...epted answer now. Checked for chromium Version 50.0.2661.102 Ubuntu 15.10 (64-bit) and opened it like this chromium-browser --auto-open-devtools-for-tabs
– Olga
Jul 28 '16 at 13:01
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驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - 专注IT技能提升
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echo 256 > /mnt/oom-killer/lambs/oom.priority
oom.priority是一个 64 位无符号整数，并且可以具有一个无符号 64 位数字可以容纳的最大值。在扫描要杀死的进程时，OOM-killer 从具有最高 oom.priority 值的任务列表中选择一个进程。
添加要添...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...
echo 256 > /mnt/oom-killer/lambs/oom.priority
oom.priority是一个 64 位无符号整数，并且可以具有一个无符号 64 位数字可以容纳的最大值。在扫描要杀死的进程时，OOM-killer 从具有最高 oom.priority 值的任务列表中选择一个进程。
添加要添...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...
echo 256 > /mnt/oom-killer/lambs/oom.priority
oom.priority是一个 64 位无符号整数，并且可以具有一个无符号 64 位数字可以容纳的最大值。在扫描要杀死的进程时，OOM-killer 从具有最高 oom.priority 值的任务列表中选择一个进程。
添加要添...