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Generate JSON string from NSDictionary in iOS
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64
To convert a NSDictionary to a NSString:
NSError * err;
NSData * jsonData = [NSJSONSerializati...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...S X
__hpux Defined on HP-UX
__osf__ Defined on Tru64 UNIX (formerly DEC OSF1)
__sgi Defined on Irix
_AIX Defined on AIX
_WIN32 Defined on Windows
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Notepad++ Setting for Disabling Auto-open Previous Files
...our C:\Users\myuseraccount\AppData\Roaming\Notepad++ directory (Windows 7 x64). Mine was empty, meaning who know where the config was really coming from, but I copied over the file with the one in C:\Program Files (x86)\Notepad++ and now everything works just like you would expect it to.
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How do I extract the contents of an rpm?
...rpm2cpio commmand? See the example below:
$ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv
/etc/httpd/conf.d/php.conf
./etc/php.d
./etc/php.ini
./usr/bin/php
./usr/bin/php-cgi
etc
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Controlling number of decimal digits in print output in R
...ating point numbers using the Rmpfr package.
mpfr("3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825")
These are slower and more memory intensive to use than regular (double precision) numeric vectors, but can be useful if you have a poorly conditioned p...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
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64
The correct way to implement your code is
y="HELLO"
val=$(echo "$y" | tr '[:upper:]' '[:lower:...
Get time in milliseconds using C#
...s make one metre. You could write a function that reports your height as a 64 bit integer in Angstroms, but if all you have is a metrestick accurate to the centimetre, then the fact that the function represents sub-nanometre precision is completely irrelevant. The less-significant digits are going t...
JavaScript - Get minutes between two dates
...liseconds between now & Christmas
var diffDays = Math.floor(diffMs / 86400000); // days
var diffHrs = Math.floor((diffMs % 86400000) / 3600000); // hours
var diffMins = Math.round(((diffMs % 86400000) % 3600000) / 60000); // minutes
alert(diffDays + " days, " + diffHrs + " hours, " + diffMin...
Import error: No module name urllib2
... urllib.splittype urllib.urlcleanup
urllib.base64 urllib.proxy_bypass_environment urllib.splituser urllib.urlencode
urllib.basejoin urllib.quote urllib.splitvalue urllib.urlopen
urllib...
How to do a recursive find/replace of a string with awk or sed?
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All the tricks are almost the same, but I like this one:
find <mydir> -type f -exec sed ...