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How do I parse JSON with Objective-C?
...bject isKindOfClass:[NSDictionary class]])
{
NSDictionary *results = object;
/* proceed with results as you like; the assignment to
an explicit NSDictionary * is artificial step to get
compile-time checking from here on down (and better autocompletion
whe...
Convert character to ASCII numeric value in java
... all wrong because Java characters are not ASCII characters. Java uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belong to ASCII. Such characters do not have an ASCII numeric value, so asking...
Intro to GPU programming [closed]
...int for actually writing code. It will walk you through writing a matrix multiplication kernel, which is a great place to begin.
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Command to get time in milliseconds
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Although date +%s%3N seems to be easier or better, but using it in some other offset calculation caused the timestamp to be reduced by 1 millisecond! But this solution worked perfect with offset calculation
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GROUP BY with MAX(DATE) [duplicate]
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You cannot include non-aggregated columns in your result set which are not grouped. If a train has only one destination, then just add the destination column to your group by clause, otherwise you need to rethink your query.
Try:
SELECT t.Train, t.Dest, r.MaxTime
FROM (
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How to get memory available or used in C#
... proc.PrivateMemorySize64 / (1024*1024), or proc.PrivateMemorySize64 / (1 << 20)
– Сергей Рыбаков
May 18 at 6:15
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what is the difference between a portlet and a servlet?
...rvlets and Portlets use similar server / VM environments that support it. Although, some additional configurations might needed in case of portlets to make it tick
The build/DI tools are similar for both - Ant, Maven, Gradle, etc are all supported. Mostly :) - This has changed a bit with Liferay 7....
How to run a single test from a rails test suite?
... -n test_name
This runs a single test named "name", defined in the MyModelTest class in the specified file. The test_name is formed by taking the test name, prepending it with the word "test", then separating the words with underscores. For example:
class MyModelTest < ActiveSupport::TestCas...
How does the C code that prints from 1 to 1000 without loops or conditional statements work?
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Don't ever write code like that.
For j<1000, j/1000 is zero (integer division). So:
(&main + (&exit - &main)*(j/1000))(j+1);
is equivalent to:
(&main + (&exit - &main)*0)(j+1);
Which is:
(&main)(j+1);
Which calls main with j...
What is the simplest SQL Query to find the second largest value?
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SELECT MAX( col )
FROM table
WHERE col < ( SELECT MAX( col )
FROM table )
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