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How to retrieve the dimensions of a view?
..., 0, 0);
ViewTreeObserver obs = tv.getViewTreeObserver();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
obs.removeOnGlobalLayoutListener(this);
} else {
obs.removeGlobalOnLayoutListener(this);
}
}
});
First I get a f...
How to find a hash key containing a matching value
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@Coderama The difference between find and select is that find returns the first match and select (which is aliased by findAll) returns all matches.
– Daniel Vandersluis
Sep 25 '10 at 13:48
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How to sort an array based on the length of each element?
...that compare
equal do not necessarily remain in their original order).
If the objective is to sort by length then by dictionary order you must specify additional criteria:
["c", "a", "b"].sort(function(a, b) {
return a.length - b.length || // sort by length, if equal then
a.localeCom...
SQL Server - SELECT FROM stored procedure
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Additionally, if after converting to a UDF you find you need the stored procedure semantics you can always wrap the UDF with a procedure.
– Joel Coehoorn
Sep 29 '09 at 13:26
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async await return Task
Can somebody explain what does this means into a synchronous method? If I try to change the method to async then VS complain about it.
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How do I clone a generic list in C#?
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@MichaelGG, what if you don't want to Convert but just Clone/Duplicate the items in the list? Would this work? || var clonedList = ListOfStrings.ConvertAll(p => p);
– IbrarMumtaz
Aug 17 '14 at 15:42
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Evaluate expression given as a string
I'm curious to know if R can use its eval() function to perform calculations provided by e.g. a string.
7 Answers
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What is a “feature flag”?
...was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling Continuous Delivery: pushing things into production/live ye...
MySQL: Fastest way to count number of rows
... mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't really f...
Searching word in vim?
... end of a word,
Adding @Roe's comment:
VIM provides a shortcut for this. If you already have word on screen and you want to find other instances of it, you can put the cursor on the word and press '*' to search forward in the file or '#' to search backwards.
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