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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
What are the real world pros and cons of executing a dynamic SQL command in a stored procedure in SQL Server using
5 Answer...
What is a “Stub”?
... my own words: mock objects "expect" certain methods to be called on them, and typically cause a unit test to fail if their expectations aren't met. Stub objects provide canned responses (and can be autogenerated by helper libraries), but typically do not directly cause the unit test to fail. They a...
Prepend a level to a pandas MultiIndex
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A nice way to do this in one line using pandas.concat():
import pandas as pd
pd.concat([df], keys=['Foo'], names=['Firstlevel'])
An even shorter way:
pd.concat({'Foo': df}, names=['Firstlevel'])
This can be generalized to many data frames, see the docs.
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What do @, - and + do as prefixes to recipe lines in Make?
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They control the behaviour of make for the tagged command lines:
@ suppresses the normal 'echo' of the command that is executed.
- means ignore the exit status of the command that is executed (normally, a non-zero exit status would stop that part of the build).
+ means 'execut...
When should I use std::thread::detach?
... also know join() waits until a thread completes. This is easy to understand, but what's the difference between calling detach() and not calling it?
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Difference between >>> and >>
What is the difference between >>> and >> operators in Java?
7 Answers
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Looking for a clear definition of what a “tokenizer”, “parser” and...
I am looking for a clear definition of what a "tokenizer", "parser" and "lexer" are and how they are related to each other (e.g., does a parser use a tokenizer or vice versa)? I need to create a program will go through c/h source files to extract data declaration and definitions.
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How can I sort generic list DESC and ASC?
How can I sort generic list DESC and ASC? With LINQ and without LINQ? I'm using VS2008.
5 Answers
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How to change ViewPager's page?
I'm using ViewPager in my app and define it in the main Activity. Inside onCreate method I load some number of pages from SharedPreferences and then pass it to PagerAdapter:
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How to get the raw value an field?
...>) you're asking the browser to do some work for you. If, on the other hand, you'd like to be able to capture the non-numeric input and do something with it, you'd have to rely on the old tried and true text input field and parse the content yourself.
The W3 also has the same specs and adds:
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