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How does java do modulus calculations with negative numbers?
...eneral, int result = (-a) % b; gives the right answer when |-a| > b. In order to get the proper result when |-a| < b we should wrap the divisor. int result = ((-a) % b) + b; for negative a or int result = (((-a) % b) + b) % b; for positive or negative a
– Oz Edri
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What is Inversion of Control?
...rol is inverted... instead of the computer accepting user input in a fixed order, the user controls the order in which the data is entered, and when the data is saved in the database.
Basically, anything with an event loop, callbacks, or execute triggers falls into this category.
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What are good alternatives to SQL (the language)? [closed]
...elational algebra. One issue is the lack of support for the use of domain ordering, which you run into when you work with data marked by dates, timestamps, etcetera. I once tried to do a reporting application entirely in plain SQL on a database full of timestamps and it just wasn't feasible. Ano...
How do I trim whitespace from a string?
...l-accepted and meaningful names that the vast majority of languages use in order to be "unique" and "different" - strip instead of trim, isinstance instead of instanceof, list instead of array, etc, etc. Why not just use the names everyone is familiar with?? geez :P
– Gershom
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How do you use version control with Access development?
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To summarize various comments below:
Our Project assumes an .adp-file. In order to get this work with .mdb/.accdb, you have to change OpenAccessProject() to OpenCurrentDatabase(). (Updated to use OpenAccessProject() if it sees a .adp extension, else use OpenCurrentDatabase().)
decompose.vbs:
' ...
How much faster is Redis than mongoDB?
...nt(sys.argv[1])
tests = [mongo_set, mongo_get, redis_set, redis_get] # order of tests is significant here!
do_tests(num, tests)
Results for with mongodb 1.8.1 and redis 2.2.5 and latest pymongo/redis-py:
$ ./cache_benchmark.py 10000
Completed mongo_set: 10000 ops in 1.40 seconds : 7167.6 ...
What is the difference between declarative and procedural programming paradigms?
... MXML (part of the Flex framework) is declarative: You tell it what order you want your objects/containers to be displayed, and it handles the layout depending on whether you've told it to lay itself out horizontally or vertically. ActionScript 3 is procedural with support for OOP paradigms.
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Android: Clear Activity Stack
...ctivities one after the other through intents. Do I need to do anything in order to make sure the app doesn't crash with too many activities on the stack? Thanks!
– Ruchir Baronia
Dec 11 '15 at 14:14
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Group query results by month and year in postgresql
... Very nice! This is a superior answer, especially since you can order as well. Upvoted!
– bobmarksie
Jun 20 '16 at 10:35
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How do MySQL indexes work?
...index type is the B+Tree based index, that stores the elements in a sorted order. Also, you don't have to access the real table to get the indexed values, which makes your query return way faster.
The "problem" about this index type is that you have to query for the leftmost value to use the index....