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java get file size efficiently
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GHadGHad
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1
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How to get the current directory in a C program?
...Why don't you use pre_defined macros for detecting OS like #if defined(_WIN32) || defined(_WIN64) || defined(WINDOWS)
– HaseeB Mir
Nov 1 '18 at 15:02
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...orld code.
– Ariel
Oct 30 '11 at 20:32
76
@ariel The 'correct' way is to get all the wheels, orde...
Calling a static method on a generic type parameter
I was hoping to do something like this, but it appears to be illegal in C#:
8 Answers
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int to hex string
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To print an int32 it should just use "X8", not "X4". If you want X4, you should indeed make sure to use an Int16.
– Nyerguds
Oct 10 '16 at 8:49
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Check if table exists and if it doesn't exist, create it in SQL Server 2008
...omething like this
IF NOT EXISTS (SELECT * FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[YourTable]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[YourTable](
....
....
....
)
END
share
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Use of class definitions inside a method in Java
... introduced?
– Sled
Nov 6 '14 at 17:32
1
Inner classes were added in Java 1.1 -- I'm guessing loc...
Java 8 NullPointerException in Collectors.toMap
The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
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How to avoid reinstalling packages when building Docker image for Python projects?
...r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed or not. Here's an example.
Here's a simp...