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Database Design for Tagging
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About ANDing: It sounds like you are looking for the "relational division" operation. This article covers relational division in concise and yet comprehendible way.
About performance: A bitmap-based approach intuitively sounds lik...
How do I debug an MPI program?
I have an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having ea...
How to know if two arrays have the same values
...have these two arrays: one is filled with information from an ajax request and another stores the buttons the user clicks on. I use this code (I filled with sample numbers):
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CSS disable text selection
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Don't apply these properties to the whole body. Move them to a class and apply that class to the elements you want to disable select:
.disable-select {
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
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Is there a way to make AngularJS load partials in the beginning and not at when needed?
...here. But I want to load from a url.
– Ranjith Ramachandra
Sep 11 '12 at 6:54
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Which keycode for escape key with jQuery
...p vs. keypress" - that's incorrect, dkamins. keypress doesn't seem to be handled consistently between browsers (try out the demo at api.jquery.com/keypress in IE vs Chrome vs Firefox -- sometimes it doesn't register, and both 'which' and 'keyCode' vary) whereas keyup is consistent. e.which is the ...
How do I list all tables in a schema in Oracle SQL?
...NCT OWNER, OBJECT_NAME
FROM DBA_OBJECTS
WHERE OBJECT_TYPE = 'TABLE'
AND OWNER = '[some other schema]'
Without those system privileges, you can only see tables you have been granted some level of access to, whether directly or through a role.
SELECT DISTINCT OWNER, OBJECT_NAME
FROM ALL_O...
Appending a line to a file only if it does not already exist
... plain string
https://linux.die.net/man/1/grep
Edit:
incorporated @cerin and @thijs-wouters suggestions.
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What are all the different ways to create an object in Java?
... only 2 ways exist: calling constructor (using new, clone() or reflection) and deserialization that does not invoke constructor.
– AlexR
Feb 24 '11 at 12:32
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Use PHP to create, edit and delete crontab jobs?
Is it possible to use PHP to create, edit and delete crontab jobs?
12 Answers
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