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Run cron job only if it isn't already running
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This wheel was already invented somewhere else :) E.g., serverfault.com/a/82863/108394
– Filipe Correia
Jun 8 '13 at 2:27
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How to show first commit by 'git log'?
...it does the same, and is simpler; though that option had not quite been “invented” at the time of this question/answer.
– Chris Johnsen
Jan 10 '13 at 2:28
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恒大腾讯联合入主 马斯葛拟更名恒腾网络 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，腾讯持股20%，同样也是大股东。双方将共同建立互联网社区服务网上平台(ICS网上平台)，并实施首期12个月业务发展计划。双方结成发展共同体，共同做大做强新产业。
有业内人士表示，马斯葛拟更名“恒腾网络”意义重大，...
问答和论坛的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...会注意这个细节，而这就是产品的魅力。
第二，问答社区是一种“精英”文化，论坛社区是“草根”文化。
从产品本身的展示来看，一个问题下面，往往会有很多答案，优质的答案会推到顶端，这些答案的书写者都可能是在...
astah（原jude）建模软件64bit社区版 - 软件下载 - 清泛网 - 专注C/C++及内核技术
astah（原jude）建模软件64bit社区版astah_jude_community_editionastah jude 建模对日开发常用的建模软件astah（原名：jude），社区版，免费使用，不可用做商业用途。
对日开发常用的建模软件astah（原名：jude），社区版，免费使用（功能...
【AI助手】Error 507 怎么解决？ - AI 助手 - 清泛IT社区，为创新赋能！
...牙接入代码： App Inventor 2 经典蓝牙(SPP) 硬件接入：hc053. 社区讨论参考其他用户也遇到过类似问题，可以在社区查看讨论： 507问题求助 - 清泛IT社区4. 常见排查步骤重启蓝牙：关闭手机蓝牙再重新打开重新配对：删除已配对设备...
How do I add a delay in a JavaScript loop?
...olution. It is nice to use all existing control structures and not need to invent continuations.
– Gus
Dec 14 '19 at 22:08
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Can we omit parentheses when creating an object using the “new” operator?
...loper.mozilla.org/en-US/docs/Web/JavaScript/Guide/… , from "the guys who invented the <expletive> language" don't use any parentheses on new Class for parameterless constructors. If this doesn't spell 'opinionated', I don't know what does...
– ack
Mar 2...
Parsing CSV files in C#, with header
...Check out FileHelpers and stay DRY - Don't Repeat Yourself - no need to re-invent the wheel a gazillionth time....
You basically just need to define that shape of your data - the fields in your individual line in the CSV - by means of a public class (and so well-thought out attributes like default ...
Why are flag enums usually defined with hexadecimal values
... reminds you: "Okay, we're not dealing with numbers in the arbitrary human-invented world of base ten anymore. We're dealing with bits - the machine's world - and we're gonna play by its rules." Hexadecimal is rarely used unless you're dealing with relatively low-level topics where the memory layo...