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process.env.NODE_ENV is undefined
... I don't think I missed anything but whenever I call the process.env.NODE_ENV the only value I get back is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially?
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How to convert an Int to a String of a given length with leading zeros to align?
...this Q&A becomes the canonical compendium,
scala> import java.text._
import java.text._
scala> NumberFormat.getIntegerInstance.asInstanceOf[DecimalFormat]
res0: java.text.DecimalFormat = java.text.DecimalFormat@674dc
scala> .applyPattern("0000000")
scala> res0.format(123)
res2: S...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...ebugging/default.mspx，具体项目为Install Debugging Tools for Windows 32/64-bit Version。
使用WinDbg分析崩溃时的内存转储文件的前提是您要让系统在崩溃时自动生成一个内存转储文件，做法如下：
1、单击开始，然后单击运行...
Nokogiri installation fails -libxml2 is missing
I always worked my way around Nokogiri installation issues by following the documentation in the " Installing Nokogiri " tutorial.
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Strings as Primary Keys in SQL Database [closed]
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Technically yes, but if a string makes sense to be the primary key then you should probably use it. This all depends on the size of the table you're making it for and the length of the string that is going to be the primary key (lo...
DropDownList in MVC 4 with Razor
...iew to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
– Bashar Abu Shamaa
Feb 26 '16 at 19:23
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How do I split a multi-line string into multiple lines?
...d solution because it does not mess with the line separator explicitly. It all just works with a dedicated API method!
– lpapp
Aug 27 '14 at 15:23
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Regex to get string between curly braces
...e original poster: If it has to be a regex, use /{([^}]*)}/ if you want to allow empty strings, or /{([^}]+)}/ if you want to only match when there is at least one character between the curly braces. Breakdown:
/: start the regex pattern
{: a literal curly brace
(: start capturing
[: start ...
jquery save json data object in cookie
...base64 (using atob).
val = JSON.stringify(userData)
val = btoa(val)
write_cookie(val)
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How do I install pip on macOS or OS X?
I spent most of the day yesterday searching for a clear answer for installing pip (package manager for Python). I can't find a good solution.
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