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How do I determine whether my calculation of pi is accurate?
...putation goes bad, the digits at the end won't match.
This does typically more than double the amount of time needed (since the second algorithm is usually slower). But it's the only way to verify the computed digits once you've wandered into the uncharted territory of never-before-computed digits ...
Initialization of all elements of an array to one default value in C++?
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Java / Android - How to print out a full stack trace?
...Log.d("myapp", Log.getStackTraceString(new Exception()));
Note that ...x more at the end does not cut off any information from the stack trace:
(This indicates) that the remainder of the stack trace for this exception matches the indicated number of frames from the bottom of the stack trace of...
Android AsyncTask threads limits?
...s from ever running.
For completeness, if you repeated your exercise with more than 6 tasks (e.g. 30), you will see that more than 6 will enter doInBackground as the queue will become full and the executor is pushed to create more worker threads. If you kept with the long-running task, you should s...
Remove all special characters from a string [duplicate]
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Entity Framework - Code First - Can't Store List
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stdlib and colored output in C
...and other things.
Don't bother with libraries, the code is really simple.
More info is here.
Example in C:
#include <stdio.h>
#define ANSI_COLOR_RED "\x1b[31m"
#define ANSI_COLOR_GREEN "\x1b[32m"
#define ANSI_COLOR_YELLOW "\x1b[33m"
#define ANSI_COLOR_BLUE "\x1b[34m"
#define ANSI...
How can I get file extensions with JavaScript?
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How can I check if a Perl array contains a particular value?
... } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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MySQL Error 1215: Cannot add foreign key constraint
... @www.jensolsson.se You are correct, if the PK includes one or more string columns then they must use the same character set and collation. In this specific case the PK was an INT so the character set of the table and/or columns was not relevant.
– Ike Walker
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