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Parsing domain from a URL
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parse_url doesn't handle really badly mangled urls very well, but is fine if you generally expect decent urls.
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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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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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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...
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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Copy folder recursively in node.js
... answered Dec 9 '12 at 9:25
shift66shift66
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
... of many<->one/many casemappings first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 too less.
This will apply to an...
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...