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Postgres: clear entire database before re-creating / re-populating from bash script

...elopment_db_name $ createdb developmnent_db_name That's how I do it, actually. share | improve this answer | follow | ...
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How to create a file in memory for user to download, but not through server?

...h the server? I know I can't write directly to their machine (security and all), but can I create and prompt them to save it? ...
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Javascript - removing undefined fields from an object [duplicate]

... You actually don't even need the ternary operator. Instead you can do (obj[key]===undefined&& delete obj[key]) The reason this works is because and uses short-circuit evaluation, so once the first check fails the second isn'...
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How to convert a currency string to a double with jQuery or Javascript?

... Remove all non dot / digits: var currency = "-$4,400.50"; var number = Number(currency.replace(/[^0-9.-]+/g,"")); share | improv...
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Python: access class property from string [duplicate]

...k just perfectly if source names ANY attribute of self, including the other_data in your example. share | improve this answer | follow | ...
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QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...

QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例: 1、http://localhost/aaa/ (打开aaa中的index.php) $_SERVER['QUERY_STRING'] = ""; $_SERVER['REQUEST_URI'] = "/aaa/"; $_SERVER['SCRIPT_NAME...
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Discuz菜单栏下面广告怎么弄? - 更多技术 - 清泛网 - 专注C/C++及内核技术

... class="z dzfbr"> <a href="http://zz.comsenz.com/2010zz/" target="_blank" class="xw1">2010第五届中国互联网站长年会</a> <em class="xg2">自强·求变,跨界实践绿色增长</em> <em><a href="http://www.discuz.net/thread-1591466-1-1.html" target="_blank">火...
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Discuz开启帖子快速回复,设置效 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Discuz开启帖子快速回复,设置效 source module forum forum_viewthread.php$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread'...\source\module\forum\forum_viewthread.php $fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread']['archiveid'] && ($_G['forum']['status'...
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CPU指令集avx程序法运行,运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术

CPU指令集avx程序法运行,运行崩溃cpu_avx_run原因就是CPU不支持相应的指令集导致的。Linux上使用 lscpu 命令查看CPU指令集,看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集,但是CPU不支持,就导致程序崩溃起不来。原因...
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Debian/Linux下安装OpenJDK8 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

Debian/Linux下安装OpenJDK8linux_install_openjdk8因为Debian11的源里不再带OpenJDK8了,需要手工来安装。下载安装包因为手工安装,所以部分依赖包需要自己下载。wget http: snapshot debian org archive debian-security 202202 因为Debian11的源里不再带Open...