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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
... releases.
MySQL has supported Atomic DDL since 8.0 (which was released in 2018).
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你真的了解熊市有多么可怕吗？ - 创意 - 清泛网 - 专注C/C++及内核技术
...公司大厅空无一人，除了工作人员已经没人。报纸的证券版越来越小，电视的证券节目全部都在深夜，新闻已经不再报道行情，因为天天都是跌。
每天出现的股评高手，说的都是如何杀跌换股，短线操作而不是持有。
每隔几...
Simple basic explanation of a Distributed Hash Table (DHT)
...if anyone wants more reading material - courses.engr.illinois.edu/ece428/sp2018/lectures.html
– Siddhartha
Apr 12 '18 at 6:42
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Validate that a string is a positive integer
...ion I wrote a large test suite against after all the existing answers (2/1/2018) failed on some form of input.
function isPositiveInteger(v) {
var i;
return v && (i = parseInt(v)) && i > 0 && (i === v || ''+i === v);
}
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柳青：滴滴每天面临向死而生的挑战 永远热泪盈眶 - 资讯 - 清泛网 - 专注C/...
...渗透，震人发聩：
柳青2016年滴滴年会演讲全文，无删节版(创业者共勉！)：
昨天还在跟Will聊说我今天讲什么，他说不用有压力，因为我今天会宣布年终奖和今天的抽奖，我说完了也没人在意你讲什么，讲什么都行。所以我现...
PHP memory profiling
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Xdebug reimplemented memory tracing in 2.6 (2018-01-29) which can be used in Qcachegrind or similar tool. Just make sure to select the memory option :)
From the docs:
Since Xdebug 2.6, the profiler also collects information about how much memory is being used, and...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...upgrade trends, WebRTC should be available on around 75% of iOS devices by 2018, and 100% by 2020.
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Using tags in the with other HTML
...rome stopped supporting it in version 36 (2014) and Firefox in version 62 (2018). In both cases, the feature had to be explicitly enabled by the user in the browsers' settings. No other major browser ever supported it.
sha...
What are the differences between django-tastypie and djangorestframework? [closed]
... Based on Github history and issues that have been resolved in 2018, it would seem that TastyPie is indeed still maintained.
– Sushil
Jun 15 '18 at 11:35
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Can a Windows batch file determine its own file name?
...abel.
Volume Serial Number is CE18-5BD0
Directory of C:\bin
. . .
05/02/2018 11:22 PM 208 FileName.bat
Here is the final code
@echo off
Set z=%%
set b=%~0
echo.
echo %z%0.......%0
echo %z%~0......%~0
echo %z%n0......%n0
echo %z%x0......%x0
echo %z%~n0.....%~n0
echo %z%dp0........