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Can you add new statements to Python's syntax?
...roach here: I'm going to add an until statement to Python.
All the coding for this article was done against the cutting-edge Py3k branch in the Python Mercurial repository mirror.
The until statement
Some languages, like Ruby, have an until statement, which is the complement to while (until num =...
PHP array_filter with arguments
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Good workaround. For the sake of maintainable code, it might help to modify the class to support more readable method calls as well: $matches = $myobj->ArraySelect( Array('from'=>$arr, 'where'=>$foo, 'lessthan'=>12 ) )
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Dynamically updating plot in matplotlib
...ts a graph of the collected data against arrival time. The time of arrival for the data is uncertain. I want the plot to be updated when data is received. I searched on how to do this and found two methods:
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How to measure time in milliseconds using ANSI C?
...many systems.
You can use this function like this:
struct timeval tval_before, tval_after, tval_result;
gettimeofday(&tval_before, NULL);
// Some code you want to time, for example:
sleep(1);
gettimeofday(&tval_after, NULL);
timersub(&tval_after, &tval_before, &tval_result)...
How to use underscore.js as a template engine?
...emplate engine. anybody know good tutorials about how to use underscore.js for templating, especially for biginners who have less experience with advanced javascript. Thanks
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In what areas might the use of F# be more appropriate than C#? [closed]
...e written an application to balance the national power generation schedule for a portfolio of power stations to a trading position for an energy company. The client and server components were in C# but the calculation engine was written in F#.
The use of F# to address the complexity at the heart o...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...dy has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confused because so many of the examples are array-based instead of CoreData.
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Is cout synchronized/thread-safe?
...current access to a synchronized (§27.5.3.4) standard iostream object’s formatted and unformatted input (§27.7.2.1) and output (§27.7.3.1) functions or a standard C stream by multiple threads shall not result
in a data race (§1.10). [ Note: Users must still synchronize concurrent use of thes...
Check if a JavaScript string is a URL
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Be aware that if you use a string as a parameter for the RegExp you have to double escape the backslashes - otherwise you get errors like invalid group.
– Kjell
Jun 5 '15 at 16:13
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What is the difference between a mutable and immutable string in C#?
...gh (obviously) the names of the types may differ, as may other details.
For the record:
String is the standard C# / .Net immutable string type
StringBuilder is the standard C# / .Net mutable string type
To "effect a change" on a string represented as a C# String, you actually create a new S...
