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Python module for converting PDF to text [closed]
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How to check task status in Celery?
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Bitwise operation and usage
...blue
b = (num & 0xFF)
return (r, g, b)
I know that there are more efficient ways to acheive this, but I believe that this is a really concise example illustrating both shifts and bitwise boolean operations.
sha...
Proper stack and heap usage in C++?
... Sure, and new/malloc() is itself a slow operation, and stack is more likely to be in dcache than an arbitrary heap line. These are real considerations, but usually secondary to the question of lifespan.
– Crashworks
Mar 1 '09 at 9:42
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What is the advantage to using bloom filters?
...is that you can have only one filter (you check whether the combination of user_id + article_id is there)
bitcoin uses bloom filter for wallet synchronization
Akamai's web servers use Bloom filters to prevent "one-hit-wonders" from being stored in its disk caches. One-hit-wonders are web objects req...
Understanding REST: Verbs, error codes, and authentication
...e resource is "the user". You would need a PUT to http://example.com/users/USER_ID with the old and new passwords in the body. You are acting on "the user" resource, and a change password is simply an update request. It's quite similar to the UPDATE statement in a relational database.
My instinc...
How to use regex in String.contains() method in Java
...r word boundary; it simply checks for substring.
Regex solution
Regex is more powerful than String.contains, since you can enforce word boundary on the keywords (among other things). This means you can search for the keywords as words, rather than just substrings.
Use String.matches with the foll...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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A single listening port can accept more than one connection simultaneously.
There is a '64K' limit that is often cited, but that is per client per server port, and needs clarifying.
Each TCP/IP packet has basically four fields for addressing. These are:
source...
How to get a DOM Element from a JQuery Selector
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You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
}
});
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Why do some claim that Java's implementation of generics is bad?
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