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Should I use #define, enum or const?
...ollowing would not be thread-safe, in spite of the use of a mutex
Source: http://en.wikipedia.org/wiki/Bit_field:
And if you need more reasons to not use bitfields, perhaps Raymond Chen will convince you in his The Old New Thing Post: The cost-benefit analysis of bitfields for a collection of bool...
Creating instance of type without default constructor in C# using reflection
...using the constructor that best
matches the specified parameters.
See: http://msdn.microsoft.com/en-us/library/wcxyzt4d.aspx
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Why declare unicode by string in python?
...character '\x81' in file C:\ex.py on line 1, but no
encoding declared; see http://www.python.org/peps/pep-0263.html for details
Output of file with # coding: cp437 added:
über '\x81ber'
über u'\xfcber'
At first, Python didn't know the encoding and complained about the non-ASCII character. On...
Google Authenticator implementation in Python
...loaded it to GitHub as separate module called onetimepass (available here: https://github.com/tadeck/onetimepass).
import hmac, base64, struct, hashlib, time
def get_hotp_token(secret, intervals_no):
key = base64.b32decode(secret, True)
msg = struct.pack(">Q", intervals_no)
h = hmac...
Can you use hash navigation without affecting history?
...ge load.... Except when the document contains a base tag: <base href ="http://example.com/" /> If it does contain a base tag, then when you use the replace method with just a leading "#hash_value_here" it actually will be as if you said `location.replace('example.com/#hash_value_here'). Thi...
How to choose the id generation strategy when using JPA and Hibernate
...
A while ago i wrote a detailed article about Hibernate key generators: http://blog.eyallupu.com/2011/01/hibernatejpa-identity-generators.html
Choosing the correct generator is a complicated task but it is important to try and get it right as soon as possible - a late migration might be a nightm...
Execute Insert command and return inserted Id in Sql
...value inserted into an identity column in the same scope. for more details http://technet.microsoft.com/en-us/library/ms190315.aspx
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Reference - What does this error mean in PHP?
...ormation - headers already sent
Happens when your script tries to send an HTTP header to the client but there already was output before, which resulted in headers to be already sent to the client.
This is an E_WARNING and it will not stop the script.
A typical example would be a template file lik...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
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http://en.wikipedia.org/wiki/Year_2038_problem has most of the details
In summary:
1) + 2) The problem is that many systems store date info as a 32-bit signed int equal to the number of seconds since 1/1/1970. The latest d...
Evil Mode best practice? [closed]
...hink you'll find every instance of keymapping in my keymapping config file https://github.com/mbriggs/.emacs.d-oldv2/blob/master/init/init-keymaps.el
Keep in mind, I am rebinding stuff that real emacs users would consider heresy, so YMMV if you ever want to learn "real" emacs (I really don't).
On...