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Difference between Array and List in scala
In what cases I should use Array(Buffer) and List(Buffer). Only one difference that I know is that arrays are nonvariant and lists are covariant. But what about performance and some other characteristics?
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Javascript Confirm popup Yes, No button instead of OK and Cancel
Javascript Confirm popup, I want to show Yes, No button instead of OK and Cancel.
9 Answers
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Why is a round-trip conversion via a string not safe for a double?
Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent:
3 Answers
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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
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When you compile a number literal in Java and assign it to a Integer (capital I) the compiler emits:
Integer b2 =Integer.valueOf(127)
This line of code is also generated when you use autoboxing.
valueOf is implemented such that certain numbers are "pooled", and i...
How to check if click event is already bound - JQuery
...y._data(elem, 'events'), an internal data structure, which is undocumented and therefore not 100% guaranteed to remain stable. This shouldn't, however, be a problem, and the relevant line of the plugin code above can be changed to the following:
var data = jQuery._data(this[0], 'events')[type];
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Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
I have box where I run tests. It seems like Jenkins would ssh in and execute commands described in the specific job that's running.
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RE error: illegal byte sequence on Mac OS X
...for cross-compiling to iOS. The string has embedded double quotes. The command is:
7 Answers
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Is it possible to import a whole directory in sass using @import?
...re 119 Sass files in 17 directories. These correspond roughly to our views and are mainly used for adjustments, with the heavy lifting being handled by our custom framework. To me, a few lines of imported directories is a tad less complex than 119 lines of imported filenames.
To address load order,...
What encoding/code page is cmd.exe using?
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Yes, it’s frustrating—sometimes type and other programs
print gibberish, and sometimes they do not.
First of all, Unicode characters will only display if the
current console font contains the characters. So use
a TrueType font like Lucida Console instead of the...
Partial Commits with Subversion
...ase I made two independent changes in one file: eg. added a new method and changed another method.
11 Answers
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