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How to sort an ArrayList?
...t the runtime characteristics of reverse, but sorting descending could actually be faster then sorting ascending and then reversing. Moreover, using a List implementation that supports Comparator as constructor argument (thus keeping it invariant) would ensure the list is sorted at all times.
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
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@Andy following [53-54] allow you to apply more complex functions.
– Andy Hayden
May 3 '13 at 9:29
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Replace words in a string - Ruby
...eplaced word isn't in the sentence (the []= variant will).
How to replace all instances?
The above replaces only the first instance of "Robert".
To replace all instances use gsub/gsub! (ie. "global substitution"):
sentence.gsub! 'Robert', 'Joe'
The above will replace all instances of Robert w...
How to run eclipse in clean mode? what happens if we do so?
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How to use it:
Edit the eclipse.ini file located in your Eclipse install directory and insert -clean as the first line.
Or edit the shortcut you use to start Eclipse and add -clean as the first argument.
Or create a batch or shell script that calls the Eclipse executable with the -clean argu...
Core dump file analysis [duplicate]
What are all the things I will need to check while analyzing a core dump file?
2 Answers
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Get HTML5 localStorage keys
I'm just wondering how to get all key values in localStorage .
12 Answers
12
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Map vs Object in JavaScript
...stored at a key. Because of this, Objects have been used as Maps
historically; however, there are important differences between Objects
and Maps that make using a Map better.
An Object has a prototype, so there are default keys in the map.
However, this can be bypassed using map = Object....
Is there an upside down caret character?
...ic ASP pages, many of which have tabular data with no sort capabilities at all. Whatever order the original developer used in the database query is what you're stuck with.
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CFBundleVersion in the Info.plist Upload Error
... version number inside your app, the user will see the CFBundleVersion (usually, depends how you code it), rather than the iTunes version (which - I think - cannot be accessed from inside your app)
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Difference between val() and text()
...ut element -- regardless of type. .text() gets the innerText (not HTML) of all the matched elements:
.text()
The result is a string that contains
the combined text contents of all
matched elements. This method works on
both HTML and XML documents. Cannot be
used on input elements. For i...