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Angular ng-if=“” with multiple arguments
...iewing the documentation some questions persist. How do i best write a ng-if with multiple arguments corresponding to
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Should I store entire objects, or pointers to objects in containers?
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Since people are chiming in on the efficency of using pointers.
If you're considering using a std::vector and if updates are few and you often iterate over your collection and it's a non polymorphic type storing object "copies" will be more efficent since you'll get better locality of ref...
Copy folder recursively in node.js
... answered Dec 9 '12 at 9:25
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Best practices for SQL varchar column length [closed]
...hink early SQL Server versions actually treated a VARCHAR with length 255 differently than one with a higher maximum length. I don't know if this is still the case.
For almost all DBMS, the actual storage that is required is only determined by the number of characters you put into it, not the max ...
How to handle multiple heterogeneous inputs with Logstash?
Let's say you have 2 very different types of logs such as technical and business logs and you want:
3 Answers
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Difference in Months between two dates in JavaScript
How would I work out the difference for two Date() objects in JavaScript, while only return the number of months in the difference?
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MySQL CONCAT returns NULL if any field contain NULL
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You can use if select CONCAT(if(affiliate_name is null ,'',affiliate_name),'- ',if(model is null ,'',affiliate_name)) as model from devices
– Dinesh Rabara
Sep 24 '15 at 13:41
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How to get the path of a running JAR file?
..."MyClass" with the name of your class.
Obviously, this will do odd things if your class was loaded from a non-file location.
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Java: random long number in 0
...t().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for detail.
If you are stuck with Java 6 (or Android 4.x) you need to use an external library (e.g. org.apache.commons.math3.random.RandomDataGenerator.getRandomGenerator().nextLong(0, n-1), see @mawaldne's answer), or implement your own...
Very Long If Statement in Python [duplicate]
I have a very long if statement in Python. What is the best way to break it up into several lines? By best I mean most readable/common.
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