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What is the difference between partitioning and bucketing a table in Hive ?
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Interesting, I agree w.r.t the usage in select query. But wondered why people are using clustered by and sorted by together in table creation statement. If there is no significance to SORTED BY in DDL, then why this keyword is present? Didnt get that.
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Find provisioning profile in Xcode 5
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I found a way to find out how your provisioning profile is named. Select the profile that you want in the code sign section in the build settings, then open the selection view again and click on "other" at the bottom. Then occur a view with the naming of the current selected provisioning pr...
Find difference between timestamps in seconds in PostgreSQL
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Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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Does Java have buffer overflows?
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Since Java Strings are based on char arrays and Java automatically checks array bounds, buffer overflows are only possible in unusual scenarios:
If you call native code via JNI
In the JVM itself (usually written in C++)
The interpreter or JIT compiler doe...
How to get a tab character?
In HTML, there is no character for a tab, but I am confused as to why I can copy and paste one here: . (You can't see the full width of it, but if you click to edit my question, you will see the character.) If I can copy and paste a tab character, there should be a unicode equivalent that can be ...
How to determine why visual studio might be skipping projects when building a solution
...tion Explorer, right-click the solution > Add > Existing Project and select your project
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Check if a div exists with jquery [duplicate]
...myDiv.length){
//you can now reuse $myDiv here, without having to select it again.
}
});
A selector always returns a jQuery object, so there shouldn't be a need to check against null (I'd be interested if there is an edge case where you need to check for null - but I don't think the...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...s the longest possible worldwide phone number I should consider in SQL varchar(length) for phone.
5 Answers
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'dragleave' of parent element fires when dragging over children elements
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Combine with css child selector to reach all children of your dropzone: .dropzone * {pointer-events: none;}
– Philipp F
Jun 10 '15 at 9:00
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How to get the ASCII value of a character
How do I get the ASCII value of a character as an int in Python ?
5 Answers
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