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Why should I use a pointer rather than the object itself?
...g from a Java background and have started working with objects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration:
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How do I create an empty array/matrix in NumPy?
...mally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time.
13 Answers
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Classpath including JAR within a JAR
...d libraries, there are two ways (that I know of) to do that. The first is One-Jar, which uses a special classloader to allow the nesting of jars. The second is UberJar, (or Shade), which explodes the included libraries and puts all the classes in the top-level jar.
I should also mention that Uber...
Android: java.lang.SecurityException: Permission Denial: start Intent
... android:exported
Whether or not the activity can be launched by components of other applications — "true" if it can be, and "false" if not. If "false", the activity can be launched only by components of the same application or applications with the same user ID.
The default value depen...
How to add an extra column to a NumPy array
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@Outlier you should post a new question rather than ask one in the comments of this one.
– JoshAdel
Dec 10 '14 at 16:37
4
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Why does ReSharper tell me “implicitly captured closure”?
...R# warning.
@splintor
As in C# the anonymous methods are always stored in one class per method there are two ways to avoid this:
Use an instance method instead of an anonymous one.
Split the creation of the lambda expressions into two methods.
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Integer.toString(int i) vs String.valueOf(int i)
... of doing the same thing. It may be a historical reason (can't remember if one came before the other).
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How do I safely pass objects, especially STL objects, to and from a DLL?
...h all those hoops, nor is there a guarantee that a solution which works in one compiler release will work in the next.
Just create a plain C interface using extern "C", since the C ABI is well-defined and stable.
If you really, really want to pass C++ objects across a DLL boundary, it's technica...
Is C++ context-free or context-sensitive?
...com/questions/163830/context-sensitive-grammar-for-the-copy-language .
If one were to attempt to write a context-sensitive (or unrestricted) grammar to parse C++, it would quite possibly fill the universe with scribblings. Writing a Turing machine to parse C++ would be an equally impossible underta...
PHP case-insensitive in_array function
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you can use preg_grep():
$a= array(
'one',
'two',
'three',
'four'
);
print_r( preg_grep( "/ONe/i" , $a ) );
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