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Dynamically load a JavaScript file
...brary.js", type: "text/javascript"});
The problem here is that we do not know when the external script file is fully loaded.
We often want our dependant code on the very next line and like to write something like:
if (iNeedSomeMore) {
Script.load("myBigCodeLibrary.js"); // includes code for...
From an array of objects, extract value of a property as array
...);
OR
let result = objArray.map(({ foo }) => foo)
You can also check Array.prototype.map().
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...edited Nov 22 '13 at 22:50
Imre Kelényi
21.7k55 gold badges3131 silver badges4444 bronze badges
answered Jan 14 '12 at 11:58
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How to make a floated div 100% height of its parent?
...ght to be based on its content, and have #inner base its height on that, make both elements absolutely positioned.
More details can be found in the spec for the css height property, but essentially, #inner must ignore #outer height if #outer's height is auto, unless #outer is positioned absolutely...
How do I draw a shadow under a UIView?
...t it was before you configured it to draw a shadow. Then, finally, you invoke the superclass's implementation of drawRect: .
Any drawing that should be affected by the shadow setting needs to happen after
CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5);
but before
CGContextRestoreGS...
Convert a number range to another range, maintaining ratio
...wRange) / OldRange) + NewMin
}
Note that in this case we're forced to pick one of the possible new range values arbitrarily. Depending on context, sensible choices could be: NewMin (see sample), NewMax or (NewMin + NewMax) / 2
...
Getting the first index of an object
...s out, properties of Javascript objects are unordered, and your code is broken if you expect them to enumerate in the same order that they are specified in the object literal—there is no "first" property.
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Java String split removed empty values
...aded version of split(delimiter, limit) with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine)
The limit parameter controls the num...
Where are my postgres *.conf files?
...talled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample
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What is the difference between range and xrange functions in Python 2.X?
... edited Aug 16 '19 at 18:05
Nickolay
27.1k77 gold badges8787 silver badges152152 bronze badges
answered Sep 18 '08 at 17:55
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