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Difference between == and ===
...er two object references both refer to the same object instance.
Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks. https://itun.es/us/jEUH0.l
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Why Does OAuth v2 Have Both Access and Refresh Tokens?
...good thread talking about uses of refresh tokens: OAuth Archives.
A quote from the above, talking about the security purposes of the refresh token:
Refresh tokens... mitigates the risk of a long-lived access_token leaking (query param in a log file on an insecure resource server, beta or poorly...
What's the state of the art in email validation for Rails?
...ted:
/\A[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+\z/
That was adapted from http://www.regular-expressions.info/email.html -- which you should read if you really want to know all the tradeoffs. If you want a more correct and much more complicated fully RFC822-compliant regex, that's on that pag...
GCC compile error with >2 GB of code
...ated by for example __libc_csu_fini (which is a function) being referenced from _start and the relocation is truncated to fit. This means that _start (the program's true entry point) is trying to call that function via a SIGNED 32-bit offset, which has only a range of 2 GB. Since the total amount o...
Default string initialization: NULL or Empty? [closed]
...to use String.Compare? Should I be creating an Enum and parsing into it?
From this perspective, one gets to a philosophy of code that's pretty simple: you avoid examining a string's contents wherever possible. Comparing a string to String.Empty is really just a special case of comparing it to a ...
How can I generate UUID in C#
... And you need formatting of the GUID as a string that is different from the default, you can use the ToString(string format) overload that accepts one of several format specifiers.
– Michiel van Oosterhout
Jun 3 '13 at 15:44
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GCC dump preprocessor defines
Is there a way for gcc/g++ to dump its preprocessor defines from the command line?
I mean things like __GNUC__ , __STDC__ , and so on.
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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...--strategy-option ours) is. Here's a small example to show the two results from using the strategy vs the strategy option. I also recommend reading the question and answers of (Git Merging) When to use 'ours' strategy, 'ours' option and 'theirs' option?
First, setup a repository with 2 branches and ...
How to override !important?
...y hack, etc.. In my case I have to deal with templates that pull their CSS from a database somewhere. I grep the DB dump and it shows me it comes from a 1MB json blob. Not very useful to me in finding where to change it, forcing me to add CSS to a code file, the way it should be done, except with th...
Extracting an attribute value with beautifulsoup
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If you want to retrieve multiple values of attributes from the source above, you can use findAll and a list comprehension to get everything you need:
import urllib
f = urllib.urlopen("http://58.68.130.147")
s = f.read()
f.close()
from BeautifulSoup import BeautifulStoneSoup
so...