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How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
11 Answers
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Rails layouts per action?
... method before, but wasn't thinking of testing that when I had the problem now, thanks again.
– 244an
Oct 1 '15 at 15:07
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JSLint is suddenly reporting: Use the function form of “use strict”
... FYI: The globalstrict option in JSHint has changed. Try strict: 'global' now, and see jshint.com/docs/options/#globalstrict
– Hovis Biddle
Jan 29 '16 at 10:05
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How to call multiple JavaScript functions in onclick event?
... the event handler to the DOM node through your Javascript code. This is known as unobtrusive javascript.
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What is the maximum length of a table name in Oracle?
... stated above, in Oracle 12.2 and later, the maximum object name length is now 128 bytes.
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'echo' without newline in a shell script
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I believe right now your output printing as below
~ echo -e "String1\nString2"
String1
String2
You can use xargs to get multiline stdout into same line.
~ echo -e "String1\nString2" | xargs
String1 String2
~
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Processing Symbol Files in Xcode
...ake forever. I force restart my phone with both of on/off and home button. Now quickly finished symbolicating and I am starting run my app via xcode.
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How can I pretty-print JSON using Go?
Does anyone know of a simple way to pretty-print JSON output in Go?
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Getting new Twitter API consumer and secret keys
I am working on a Twitter project where I want to use OAuth but I don't know where to get the consumer and secret keys.
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How can I sort a dictionary by key?
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python 3.7+ shouldn't need orderedDict since it now orders by default :-)
– Aneuway
Jan 25 '19 at 18:09
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