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Set a default parameter value for a JavaScript function
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I know it's really minor, but I don't like how you are assigning a = a and b = b when those parameters are not undefined. Also, that ternary operator with a bit complicated condition may be hard to read for future maintainers. I...
Difference between string and text in rails?
...lumn without realizing this and all future rows where the value is true is now t. Does anyone have any insights into this behaviour?
– Peter
Aug 11 '15 at 18:25
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How to split a delimited string in Ruby and convert it to an array?
... It splits a string into an array of its characters.
hmmm, I just realize now that in the original question the string contains commas, so my answer is not really helpful ;-(..
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When to use setAttribute vs .attribute= in JavaScript?
...o support old browsers, in addition to this information, you will need to know what is broken in the those browsers.
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Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
12 Answer...
javax vs java package
...r the community (maybe not for Sun) the whole point of javax was lost. So now we have some things in javax that probably should be in java... but aside from the people that chose the package names I don't know if anyone can figure out what the rationale is on a case-by-case basis.
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Altering a column to be nullable
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Although I don't know what RDBMS you are using, you probably need to give the whole column specification, not just say that you now want it to be nullable. For example, if it's currently INT NOT NULL, you should issue ALTER TABLE Merchant_Pend...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...thing to RVM that produces lots of errors, the only safe way of fixing for now is to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep ...
Angularjs code/naming conventions [closed]
Does anyone know if exists any official or most accepted reference for Angular naming conventions to use when we build our applications?
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Why is address zero used for the null pointer?
... In the days when C was first developed, memory was MUCH more costly than now. The number zero can be conveniently calculated using an XOR instruction or without the need to load an immediate value. Depending upon the architecture, this could potentially save space.
– Sparky...