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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
...is
inherently O(n) in the length of the
strings; it typically requires reads
from several regions of memory, which
take time; and the reads fills up the
processor cache, meaning there is less
cache available for other needs. With
interned strings, a simple object
identity test suffic...
Using Phonegap for Native Application development [closed]
...ff, as your app will load faster (initialize) and run smoother.
onDeviceReady - This is the method that's called once phonegap has loaded and is ready. $(document).ready or whatever you're used to, doesn't really apply here - unless you're only doing interface/hard-coded HTML stuff. If you're i...
“std::endl” vs “\n”
...ediately" is a red herring, since cout is tied to cin, meaning that if you read input from cin, cout will be flushed first. But if you want to display a progress bar or something without reading from cin, then sure, flushing is useful.
– Chris Jester-Young
Mar ...
How to safely open/close files in python 2.4
...ry-finally blocks:
>>> with open('workfile', 'r') as f:
... read_data = f.read()
>>> f.closed
True
More here: https://docs.python.org/2/tutorial/inputoutput.html#methods-of-file-objects
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How to use UTF-8 in resource properties with ResourceBundle
...m) to load those properties files. As per the javadoc, they are by default read as ISO-8859-1.
public void load(InputStream inStream) throws IOException
Reads a property list (key and element pairs) from the input byte stream. The input stream is in a simple line-oriented format as specifi...
Correct file permissions for WordPress [closed]
...
This is not a secure configuration. Setting read permissions on these files has no affect when the apache user also owns the files! DO NOT USE. Refer to codex.wordpress.org/Changing_File_Permissions
– PodTech.io
Nov 30 '17 at 10:4...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...g lines, etc. Three things to keep in mind:
Press Ctrl-C: Vim tries to read in the whole file initially, to do things like syntax highlighting and number of lines in file, etc. Ctrl-C will cancel this enumeration (and the syntax highlighting), and it will only load what's needed to display on y...
How to retrieve POST query parameters?
...ultipart encoding (to support uploading files for example) then you should read this.
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What is your most productive shortcut with Vim?
...a paragraph of text I cut it using { d} (3 keystrokes). (If I happen to already be on the first or last line of the paragraph I can then simply use d} or d{ respectively.
The notion of "paragraph" defaults to something which is usually intuitively reasonable. Thus it often works for code as well a...
Scraping html tables into R data frames using the XML package
...ational_football_team",.opts = list(ssl.verifypeer = FALSE) )
tables <- readHTMLTable(theurl)
tables <- list.clean(tables, fun = is.null, recursive = FALSE)
n.rows <- unlist(lapply(tables, function(t) dim(t)[1]))
the picked table is the longest one on the page
tables[[which.max(n.rows)]]...