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What reason is there to use null instead of undefined in JavaScript?
...t undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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No module named setuptools
I want to install setup file of twilio. When I install it through given command it is given me an error:
5 Answers
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How to merge remote changes at GitHub?
...eject was on a branch that I didn't have checked out. The branch I was actually on was succeeding. The solution was to git checkout other-branch; git pull; git push; git checkout branch-i-was-working-on.
– Noah Spurrier
Sep 18 '12 at 19:44
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Spring boot @ResponseBody doesn't serialize entity id
...g Boot, I have observed that entity properties with @Id are no longer marshalled to JSON
To customize how it behaves, you can extend RepositoryRestConfigurerAdapter to expose IDs for specific classes.
import org.springframework.context.annotation.Configuration;
import org.springframework.data.rest...
Check whether a string contains a substring
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This way is especially preferrable, when you are searching using a variable - this way you won't have to double-escape characters (in this variable string), that are special for regular expressions (like :).
– evgeny9
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What is Turing Complete?
... in practice, because no realizable system has an infinite tape. What we really mean is that some systems have the ability to approximate Turing-completeness up to the limits of their available memory.
– Shelby Moore III
Aug 8 '14 at 22:40
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SVG fill color transparency / alpha?
...or example:
<rect ... fill="#044B94" fill-opacity="0.4"/>
Additionally you have the following:
stroke-opacity attribute for the stroke
opacity for the entire object
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How can I update the current line in a C# Windows Console App?
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edited Feb 24 at 0:50
Callum Watkins
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answered May 20 '09 at 15:17
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Can I install the “app store” in an IOS simulator?
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We can't install app store apps in simulator. This is updated link of apple doc developer.apple.com/library/ios/documentation/IDEs/Conceptual/…
– Rohit Kale
Apr 13 '15 at 6:27
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How do I test if a variable is a number in Bash?
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@Ben do you really want to handle more than one minus sign? I'd make it ^-? rather than ^-* unless you're actually doing the work to handle multiple inversions correctly.
– Charles Duffy
Jun 26 '11 at...