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Stateless and Stateful Enterprise Java Beans
...eate a new user, and see if they can still see the incremented value. If done correctly, every user should see just their version of the counter.
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Reverting a single file to a previous version in git [duplicate]
...its, five of which changed a given file, and we want to revert the file to one of the previous versions. First of all, git doesn't keep version numbers for individual files. It just tracks content - a commit is essentially a snapshot of the work tree, along with some metadata (e.g. commit message). ...
Zero-based month numbering [closed]
...ith 0 and would always be up to the length of elements, excluding the last one.
Also, the use of zero is also popular with pointer arithmetics where you would use one base pointer pointing at some allocated memory, plus a second pointer which would be at an offset from this base pointer. Here, usin...
How to insert element into arrays at specific position?
...$array)-3, true);
This example:
$array = array(
'zero' => '0',
'one' => '1',
'two' => '2',
'three' => '3',
);
$res = array_slice($array, 0, 3, true) +
array("my_key" => "my_value") +
array_slice($array, 3, count($array) - 1, true) ;
print_r($res);
gives:
Ar...
outline on only one border
How to apply an inset border into an HTML element, but just only on one side of it.
Until now, I've been using an image to do that (GIF/PNG) that I would then use as a background and stretch it (repeat-x) and position a little off from the top of my block.
Recently, I discovered the outline CSS...
Why are elementwise additions much faster in separate loops than in a combined loop?
... clock_t start = clock();
int c = 0;
while (c++ < 10000){
#if ONE_LOOP
for(int j=0;j<n;j++){
a1[j] += b1[j];
c1[j] += d1[j];
}
#else
for(int j=0;j<n;j++){
a1[j] += b1[j];
}
for(int j=0;j<n;j++){
...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
... do that exact thing (though without special effects and antialiasing).
If one wants to add a little more weight to the font (faux bold), a slightly smaller threshold will do the trick without modifying a single line of code (just change your "font_weight" uniform). For a glow effect, one simply con...
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
...
This problem is usually caused by one of the following
null values being returned for columns not set to AllowDBNull
duplicate rows being returned with the same primary key.
a mismatch in column definition (e.g. size of char fields) between the database and...
Creating a singleton in Python
...Python asking a class what to do by calling __getattr__ when you reference one of it's attributes by doing myclass.attribute.
A metaclass essentially decides what the definition of a class means and how to implement that definition. See for example http://code.activestate.com/recipes/498149/, which ...
What is this operator in MySQL?
... Not at all; <=> takes two operands whereas IS (NOT) NULL only takes one; big difference ... it's as useful as = itself in that respect.
– Ja͢ck
Feb 21 '14 at 8:20
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