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How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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validation custom message for rails 3
...
Actually, I did this in a better way. If you want to remove the field title from the message you should use this on your _form.htmk.erb view:
As you can see inside this view:
<ul>
<% @article.errors.full_messages.each do |msg| %>
<li><%...
What's the correct way to sort Python `import x` and `from x import y` statements?
...chable. After all python is all about readability.
Also It is easier to verify that something is imported, and avoids duplicated imports
There is nothing available in PEP 8 regarding sorting.So its all about choice what you use.
According to few references from reputable sites and repositories als...
How do I decode a base64 encoded string?
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StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
...
Set a DateTime database field to “Now”
...s with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
3 Answers
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C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网 - ...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网 - ...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网移动...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网移动...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网移动...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...