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How to get the first and last date of the current year?
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I disagree, OP did not specify and the data formet set in sql server might return something like '2012-01-01 12:13:14' instead of '01/01/2012'
– RandyMorris
Nov 18 '12 at 4:11
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What is the difference between encode/decode?
...that is useful: there are encodings that have nothing to do with character sets, and thus can be applied to 8-bit strings in a meaningful way:
>>> s.encode('zip')
'x\x9c;\xbc\r\x00\x02>\x01z'
You are right, though: the ambiguous usage of "encoding" for both these applications is... aw...
How can you diff two pipelines in Bash?
... read from to actually read from an already-open file descriptor that bash set up before exec'ing the command. (i.e. bash uses pipe(2) before fork, and then dup2 to redirect from the output of quux to an input file descriptor for diff, on fd 63.)
On a system with no "magical" /dev/fd or /proc/self...
Lock-free multi-threading is for real threading experts
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Current "lock-free" implementations follow the same pattern most of the time:
*read some state and make a copy of it**
*modify copy**
do an interlocked operation
retry if it fails
(*optional: depends on the data structure/algorithm)
T...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
...ually for JWT, this will contain a single ClaimsIdentity object that has a set of claims representing the properties of the original JWT.
JwtSecurityTokenHandler defines some additional overloads for ValidateToken, in particular, it has a ClaimsPrincipal ValidateToken(JwtSecurityToken, TokenValidat...
Do fragments really need an empty constructor?
...tInt(EXTRA_TITLE, title);
bdl.putString(EXTRA_MESSAGE, message);
f.setArguments(bdl);
return f;
}
And of course grabbing the args this way:
@Override
public void onCreate(Bundle savedInstanceState) {
title = getArguments().getInt(EXTRA_TITLE);
message = getArguments().getStrin...
Change Bootstrap tooltip color
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You can use this way:
<a href="#" data-toggle="tooltip" data-placement="bottom"
title="" data-original-title="Tooltip on bottom"
class="red-tooltip">Tooltip on bottom</a>
And in the CSS:
.tooltip-arrow,
.red-tooltip + .tooltip > .to...
Python: List vs Dict for look up table
...of items in the data structure. If you don't need to associate values, use sets.
Memory
Both dictionaries and sets use hashing and they use much more memory than only for object storage. According to A.M. Kuchling in Beautiful Code, the implementation tries to keep the hash 2/3 full, so you might ...
Gradients in Internet Explorer 9
Does anyone know the vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters?
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'float' vs. 'double' precision
... editor after snippets, if snippets enabled
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