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Convert a String In C++ To Upper Case
...3 -march=native on a Core2Duo (Merom). The same string of 120 characters (mixed lowercase and non-lowercase ASCII), converted in a loop 40M times (with no cross-file inlining, so the compiler can't optimize away or hoist any of it out of the loop). Same source and dest buffers, so no malloc overhe...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...yone explain to me, through simple programs and illustrate a perfect situation on when to use which one?
7 Answers
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Why use static_cast(x) instead of (int)x?
...ynamic_cast, as those would indicate places that can be redesigned. C-cast mixes in all together and doesn't give you the reason for casting.
– Dragan
May 18 at 13:58
add a co...
how to check the dtype of a column in python pandas
...('<M8[ns]'), 'is_int64 = False')
It will be misleading in the case of mixed type of data in single column:
df2 = pd.DataFrame({'data': [12, pd.Timestamp('2013-01-02')]},
index = ['A', 'B'])
for col in df2.columns:
df2[col].dtype, 'is_int64 = %s' % isinstance(df2.loc['A', ...
How to get image height and width using java?
Is there any other way besides using ImageIO.read to get image height and width?
13 Answers
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Effective way to find any file's Encoding
Yes is a most frequent question, and this matter is vague for me and since I don't know much about it.
9 Answers
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Exception messages in English?
We are logging any exceptions that happen in our system by writing the Exception.Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me.
...
What's the best UI for entering date of birth? [closed]
... usually you also have advanced and non-advanced users I suggest a combination of text input and datepicker.
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Example of UUID generation using Boost in C++
...st/uuid/uuid_generators.hpp> // generators
#include <boost/uuid/uuid_io.hpp> // streaming operators etc.
int main() {
boost::uuids::uuid uuid = boost::uuids::random_generator()();
std::cout << uuid << std::endl;
}
Example output:
7feb24af-fc38-44de-bc38-04...
Access Asset Catalog programmatically
...log, you only need to access the name of the asset group without any extensions.
So, if you add an image named @"my-button@2x.png" to the Asset Catalog, it will create an asset group called my-button.
Now, all you have to do is access the image like so:
// Objective-C
[UIImage imageNamed:@"my-but...