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PHP Error handling: die() Vs trigger_error() Vs throw Exception
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The first one should never be used in production code, since it's transporting information irrelevant to end-users (a user can't do anything about "Cannot connect to database").
You throw Exceptions if you know that at a certain critical code point, your application can fail and you w...
How to print (using cout) a number in binary form?
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The easiest way is probably to create an std::bitset representing the value, then stream that to cout.
#include <bitset>
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char a = -58;
std::bitset<8> x(a);
std::cout << x << '\n';
short c = -315;
std::bitset<16> y(c);
std::cout <...
How to filter git diff based on file extensions?
Is there an option to restrict git diff to a given set of file extensions?
9 Answers
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Extract method to already existing interface with ReSharper
...tract Interface" refactoring and just add the method to the interface. But it doesn't seem like ReSharper supports adding a method signature to an already existing interface.
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Create a folder inside documents folder in iOS apps
...Path])
[[NSFileManager defaultManager] createDirectoryAtPath:dataPath withIntermediateDirectories:NO attributes:nil error:&error]; //Create folder
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what is the difference between GROUP BY and ORDER BY in sql
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ORDER BY alters the order in which items are returned.
GROUP BY will aggregate records by the specified columns which allows you to perform aggregation functions on non-grouped columns (such as SUM, COUNT, AVG, etc).
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How to compare Lists in Unit Testing
...lt;T> doesn't override Equals, so if Assert.AreEqual just calls Equals, it will end up using reference equality.
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...iewParam>:
Sets the value during update model values phase only (since it extends UIInput).
The set value is not available during @PostConstruct, so you need an additional <f:event type="preRenderView" listener="#{bean.init}" /> inside the <f:metadata> to do initialization/preloadin...
Setting the filter to an OpenFileDialog to allow the typical image formats?
I have this code, how can I allow it to accept all typical image formats? PNG, JPEG, JPG, GIF?
11 Answers
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Parsing JSON Object in Java [duplicate]
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edited Apr 1 '16 at 19:55
jake stayman
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