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Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
11 Answers
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How to generate .json file with PHP?
...t * from Posts limit 20";
$response = array();
$posts = array();
$result=mysql_query($sql);
while($row=mysql_fetch_array($result)) {
$title=$row['title'];
$url=$row['url'];
$posts[] = array('title'=> $title, 'url'=> $url);
}
$response['posts'] = $posts;
$fp = fopen('results.json...
Rails Root directory path?
How do I get my Rails app's root directory path?
9 Answers
9
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SQL update query using joins
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FYI this will NOT work in MySQL (different syntax)! For MySQL have a look at gcbenison's answer
– Sliq
Jan 17 '17 at 16:28
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为什么你有10年经验，但成不了专家？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...有10年经验，但成不了专家？转载自微信公众号李叫兽。如何成为一个领域的专家？有人说主要靠经验，有人说靠天赋，但是大量的研究发现：不论是经验还是天赋，都不是成为...如何成为一个领域的专家？
有人说主要靠经验...
Add a prefix to all Flask routes
... container (anything that speaks WSGI will do) and to set your APPLICATION_ROOT config value to your prefix:
app.config["APPLICATION_ROOT"] = "/abc/123"
@app.route("/")
def index():
return "The URL for this page is {}".format(url_for("index"))
# Will return "The URL for this page is /abc/123/...
推动“一带一路”IT产业怎么走 - 资讯 - 清泛网 - 专注C/C++及内核技术
...味着基础设施建设的提速，还有科技和文化的互联互通。如何把握机会借助“一带一路”走出去，如何在IT产业更为发达的地区站稳脚跟并抓住欠发达地区的市场，这成为目前中国IT企业必须解决的问题。“一带一路”倡议对其...
PHP优化杂烩 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP优化杂烩讲 PHP 优化的文章往往都是教大家如何编写高效的代码，本文打算从另一个角度来讨论问题，教大家如何配置高效的环境，如此同样能够达到优...讲 PHP 优化的文章往往都是教大家如何编写高效的代码，本文打算从另...
Mac OS X 入门操作常见问题集锦（持续更新） - 更多技术 - 清泛网 - 专注C/...
Mac OS X 入门操作常见问题集锦（持续更新）如何截图：shift + command + 3 截整屏shift + command + 4 截窗口（默认png，并保存到桌面）shift + command + Ctrl + 4 如何截图：
shift + command + 3 截整屏
shift + command + 4 截窗口（默认png，并保存...