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How to convert an int to string in C?
...and hexadecimal, both positive and negative is the fourth version found at http://www.strudel.org.uk/itoa/. While sprintf/snprintf have advantages, they will not handle negative numbers for anything other than decimal conversion. Since the link above is either off-line or no longer active, I've incl...
Code for a simple JavaScript countdown timer?
... Javascript Countdown
// Version 1.01 6/7/07 (1/20/2000)
// by TDavid at http://www.tdscripts.com/
var now = new Date();
var theevent = new Date("Sep 29 2007 00:00:01");
var seconds = (theevent - now) / 1000;
var minutes = seconds / 60;
var hours = minutes / 60;
var days = hours / 24;
ID = ...
Command copy exited with code 4 when building - Visual Studio restart solves it
... only files to be copied over. You can find list of available options at:
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/xcopy.mspx?mfr=true
Another possible issue is that the underlying folder cannot be accessed. If so, trying performing "start xcopy" instead of "x...
How do I URL encode a string
...ve-c iPhone percent encode a string?
Objective-C and Swift URL encoding
http://cybersam.com/programming/proper-url-percent-encoding-in-ios
https://devforums.apple.com/message/15674#15674
http://simonwoodside.com/weblog/2009/4/22/how_to_really_url_encode/
...
Detect and exclude outliers in Pandas data frame
...a dataframe, remove outliers, return cleaned data in a new dataframe
# see http://www.itl.nist.gov/div898/handbook/prc/section1/prc16.htm
#------------------------------------------------------------------------------
def remove_outlier(df_in, col_name):
q1 = df_in[col_name].quantile(0.25)
q...
How to do a scatter plot with empty circles in Python?
... my case I have used it with errorbars but it works for markers in general
http://matplotlib.org/api/_as_gen/matplotlib.axes.Axes.errorbar.html
fillstyle accepts the following values: [‘full’ | ‘left’ | ‘right’ | ‘bottom’ | ‘top’ | ‘none’]
There are two important things to ...
JavaScript replace/regex
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to achieve code folding effects in Emacs?
...place {{{ and }}} as in folding mode, it uses where the block is defined.
http://www.gnu.org/software/emacs/manual/html_node/emacs/Outline-Mode.html
http://www.emacswiki.org/emacs/OutlineMinorMode
I am pretty sure that it comes with emacs. I then add this to my .emacs
;;======= Code folding =====...
How to count the number of set bits in a 32-bit integer?
...iently deal with any usage pattern or values you throw at it.
References:
https://graphics.stanford.edu/~seander/bithacks.html
https://en.wikipedia.org/wiki/Hamming_weight
http://gurmeet.net/puzzles/fast-bit-counting-routines/
http://aggregate.ee.engr.uky.edu/MAGIC/#Population%20Count%20(Ones%20Cou...
How to send a correct authorization header for basic authentication
...
You can include the user and password as part of the URL:
http://user:passwd@www.server.com/index.html
see this URL, for more
HTTP Basic Authentication credentials passed in URL and encryption
of course, you'll need the username password, it's not 'Basic hashstring.
hope this h...