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When should an IllegalArgumentException be thrown?
... you should consider where the input is coming from.
Is the input entered by a user or another external system you don't control, you should expect the input to be invalid, and always validate it. It's perfectly ok to throw a checked exception in this case. Your application should 'recover' from th...
How do you access command line arguments in Swift?
...wift Argument Parser
https://github.com/apple/swift-argument-parser
Begin by declaring a type that defines the information you need to collect from the command line. Decorate each stored property with one of ArgumentParser's property wrappers, and declare conformance to ParsableCommand.
The Argumen...
How to create a function in a cshtml template?
...
@Paul I don't understand what you mean by that.
– Daniel Liuzzi
Jun 21 '16 at 11:51
2
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How to escape a single quote inside awk
... $1}'
That is, with '\'' you close the opening ', then print a literal ' by escaping it and finally open the ' again.
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How do I use disk caching in Picasso?
...age
And create your own Static Picasso Instance instead of default Picasso By using
1] HttpResponseCache (Note: Works only for API 13+ )
2] OkHttpClient (Works for all APIs)
Example for using OkHttpClient to create your own Static Picasso class:
First create a new class to get your own singleton...
What is the “assert” function?
...g) build, you can also remove the overhead of evaluating assert statements by defining the NDEBUG macro, usually with a compiler switch. The corollary of this is that your program should never rely on the assert macro running.
// BAD
assert(x++);
// GOOD
assert(x);
x++;
// Watch out! Depends ...
Remove empty space before cells in UITableView
... IB's attribute inspector (when a view controller is selected) which is on by default. Uncheck this option:
(Image courtesy of Dheeraj D)
I'm not sure which Xcode version introduced this option (didn't spot it in the release notes), but it's at least available in version 5.1.1.
Edit: To avoid c...
Why is list initialization (using curly braces) better than the alternatives?
...is preferred over {} is when using auto keyword to get the type determined by the initializer.
Example:
auto z1 {99}; // z1 is an int
auto z2 = {99}; // z2 is std::initializer_list<int>
auto z3 = 99; // z3 is an int
Conclusion
Prefer {} initialization over alternatives unless you ha...
Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...p_executesql generates execution plans that are more likely to be
reused by SQL Server, sp_executesql is more efficient than EXECUTE.
So, the take away: Do not use execute statement. Use sp_executesql.
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Correct format specifier for double in printf
...the current standard -- the l is specified as having no effect if followed by the f conversion specifier (among others).
Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promot...