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What is the difference between a static and a non-static initialization code block

... the time it is used when doing database connection, API init, Logging and etc. Don't just bark! where is example? package com.example.learnjava; import java.util.ArrayList; public class Fruit { static { System.out.println("Inside Static Initializer."); // fruits array ...
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Scala: What is a TypeTag and how do I use it?

...ate a linearization of a type, find out whether one type subtypes another, etc. – Eugene Burmako Sep 2 '12 at 12:20 ...
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How do you format an unsigned long long int using printf?

...inttypes.h library that gives you types such as int32_t, int64_t, uint64_t etc. You can then use its macros such as: uint64_t x; uint32_t y; printf("x: %"PRId64", y: %"PRId32"\n", x, y); This is "guaranteed" to not give you the same trouble as long, unsigned long long etc, since you don't have t...
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How to serialize SqlAlchemy result to JSON?

...ich uses your toDict method and a custom encoder for handling dates, blobs etc – FredL Apr 15 '13 at 10:17 ...
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How to check if the string is empty?

...ould also enter the if not myString: block if myString were None, 0, False etc. So if you aren't sure what type myString is, you should use if myString == "": to determine if it is an empty string as opposed to some other falsy value. – Andrew Clark Aug 7 '13 ...
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How to serve static files in Flask

...rds (change the folder, change the URL path, move your static files to S3, etc). share | improve this answer | follow | ...
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What does functools.wraps do?

...unctionality of copying over the function name, docstring, arguments list, etc. And since wraps is itself a decorator, the following code does the correct thing: from functools import wraps def logged(func): @wraps(func) def with_logging(*args, **kwargs): print(func.__name__ + " wa...
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Database, Table and Column Naming Conventions? [closed]

...ut people or multiple persons is called People, PersonCollection, Persons, etc. – Triynko Apr 23 '10 at 16:15 5 ...
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Query EC2 tags from within instance

...NCE_ID" --output=text | sed -r 's/TAGS\t(.*)\t.*\t.*\t(.*)/\1="\2"/' > /etc/ec2-tags You need the AWS CLI tools installed on your system: you can either install them with a packages section in a cloud-config file before the script, use an AMI that already includes them, or add an apt or yum com...
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What are conventions for filenames in Go?

...GOPATH, some files are treated differently depending on their name format, etc) – weberc2 Aug 6 '14 at 19:30 ...