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Why can't variable names start with numbers?
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24 Answers
24
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Saving enum from select in Rails 4.1
I am using the enums in Rails 4.1 to keep track of colors of wine.
8 Answers
8
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Include constant in string without concatenating
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148
No.
With Strings, there is no way for PHP to tell string data apart from constant identifiers...
Ignoring SSL certificate in Apache HttpClient 4.3
How to ignore SSL certificate (trust all) for Apache HttpClient 4.3 ?
16 Answers
16
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Mod of negative number is melting my brain
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answered Jul 4 '09 at 20:35
ShreevatsaRShreevatsaR
34.9k1515 gold badges9595 silver badges117117 bronze badges
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Check that an email address is valid on iOS [duplicate]
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4 Answers
4
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How to easily initialize a list of Tuples?
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which lets you do: tupleList[0].Index and tupleList[0].Name
Framework 4.6.2 and below
You must install System.ValueTuple from the Nuget Package Manager.
Framework 4.7 and above
It is built into the framework. Do not install System.ValueTuple. In fact, remove it and delete it from the bin dir...
Can't install via pip because of egg_info error
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143
Found out what was wrong. I never installed the setuptools for python, so it was missing some v...
find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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App Inventor 2 KIO4_Base64 拓展，更强大的图像Base64编解码工具，解码后...
... App Inventor 2 KIO4_Base64 拓展，更强大的图像Base64编解码工具，解码后的图像可写入到文件
KIO4_Base64 拓展
Base64解码后写入图像文件
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