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How to create a directory in Java?
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edited Apr 13 '18 at 20:46
answered Sep 3 '10 at 10:34
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MongoDB Aggregation: How to get total records count?
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13 Answers
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Is there a difference between foo(void) and foo() in C++ or C?
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321
In C:
void foo() means "a function foo taking an unspecified number of arguments of unspec...
Difference: std::runtime_error vs std::exception()
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Update: Portability Linux vs Windows
As Loki Astari and unixman83 noted in their answer and comments below, the constructor of the exception class does not take any arguments according to C++ standard. Microsoft C++ has a constructor taking arguments in the exception class, but this is no...
Declaring and initializing variables within Java switches
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Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS:
The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own initializer and including any further declarators to the right i...
Android - Center TextView Horizontally in LinearLayout
... Joe
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answered Oct 4 '11 at 17:54
Dan SDan S
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...t strict).
Here it is in action:
In [11]: pd.to_datetime(pd.Series(['05/23/2005']))
Out[11]:
0 2005-05-23 00:00:00
dtype: datetime64[ns]
You can pass a specific format:
In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0 2005-05-23
dtype: datetime64[ns]
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Objective-C Runtime: best way to check if class conforms to protocol?
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309
According to the docs,
[MyClass conformsToProtocol:@protocol(MyProtocol)];
should work.
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Throw away local commits in Git
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edited Apr 30 '19 at 15:01
Yash
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an...
IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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answered Jun 15 '10 at 22:32
BrigBrig
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