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How to create a custom attribute in C#
....Class)]
public class MyCustomAttribute : Attribute
Important things to know about attributes:
Attributes are metadata.
They are baked into the assembly at compile-time which has very serious implications of how you could set their properties. Only constant (known at compile time) values are ac...
What is the fastest integer division supporting division by zero no matter what the result is?
...ECK=0 merely counts the zeroes, so that it is obvious how often appeared.
Now, compiling and timing it various ways:
$ for it in 0 1 2 3 4 5; do for ch in 0 1 2 3 4 5; do gcc test.cc -o test -O -DITERATIONS=$it -DCHECK=$ch && { time=`time ./test`; echo "Iterations $it, check $ch: exit stat...
How can I make setuptools install a package that's not on PyPI?
.../github.com/mtai/python-gearman/tarball/master#egg=gearman-2.0.0beta']
)
Now, when YOUR package is being installed, easy_install will discover that there is a "gearman 2.0.0beta" available for download from that URL, and happily pick it over the one on PyPI, if you specify "gearman>=2.0.0beta" ...
What's the need of array with zero elements?
...s Aniket said), but it was standardized in C99. The standard format for it now is:
struct bts_action {
u16 type;
u16 size;
u8 data[];
} __attribute__ ((packed)); /* Note: the __attribute__ is irrelevant here */
Note that you don't mention any size for the data field. Note also that...
What browsers support HTML5 WebSocket API?
...Caucho Resin 4.0.2 (not yet tried) V 4.0.25 supports RFC6455
Tomcat 7.0.27 now supports it V 7.0.28 supports RFC6455
Tomcat 8.x has native support for websockets RFC6455 and is JSR 356 compliant
JSR 356 included in Java EE 7 will define the Java API for WebSocket, but is not yet stable and complete....
Best Practices: Salting & peppering passwords?
...provable or the maintainable models...
Theoretical Problems With Peppers
Now that we've set the stage, let's look at what's wrong with peppers.
Feeding one hash into another can be dangerous.
In your example, you do hash_function($salt . hash_function($pepper . $password)).
We know from past e...
What's the difference between a temp table and table variable in SQL Server?
... | |
| LOP_DELETE_ROWS | LCX_INDEX_INTERIOR | Unknown Alloc Unit | 720 | 9 | 720 | 9 | |
| LOP_DELETE_ROWS | LCX_MARK_AS_GHOST | sys.sysallocunits.clust | 444 | 3 | 444 | 3 | ...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...nse would be sufficient. I didn't use a vague term because I thought "you know what, I really want to be queried on this by someone who can't be bothered to look up the original source which would take two seconds on Google".
– Rushyo
Jul 31 '15 at 12:32
...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...
But now it is deprecated in api 27 -> to use the v4 version again. Then we have the problem again, with not way to use the none support lib Fragment
– Morten Holmgaard
Apr 5 '18 at 8:32
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How to read the output from git diff?
...mits_on_stdin = 0;
int commits;
After the change this fragment of now 'http-fetch.c' file looks like this instead:
#include "cache.h"
#include "walker.h"
int main(int argc, const char **argv)
{
const char *prefix;
struct walker *walker;
int commits_on_stdin = 0;
...