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When increasing the size of VARCHAR column on a large table could there be any problems?
I'm using SQL Server 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows. What I need to know is if there are any issues I have not considered.
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Multiple select statements in Single query
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SELECT (
SELECT COUNT(*)
FROM user_table
) AS tot_user,
(
SELECT COUNT(*)
FROM cat_table
) AS tot_cat,
(
SELECT COUNT(*)
FROM course_table
) AS tot_course
share
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What is the difference between Scrum and Agile Development? [closed]
What is the difference between Scrum and Agile Development? Are Sprint and Iterations the same?
7 Answers
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No appenders could be found for logger(log4j)?
I have put log4j to my buildpath, but I get the following message when I run my application:
31 Answers
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django 1.5 - How to use variables inside static tag
...nces in my project to the new {% static %} tag that django 1.5 introduced, but I'm having a problem, in some places I use variables to get the content. With the new tag I can't, is there any way to solve this?
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Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
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findByInventoryIdIn(List<Long> inventoryIdList) should do the trick.
The HTTP request parameter format would be like so:
Yes ?id=1,2,3
No ?id=1&id=2&id=3
The complete list of JPA repository keywords can be foun...
Best way to parse command-line parameters? [closed]
What's the best way to parse command-line parameters in Scala?
I personally prefer something lightweight that does not require external jar.
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Creating an official github mirror
How do I create a github mirror for an external git repository, such that it appears as "real mirror", e.g., as in https://github.com/mirrors ?
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namedtuple and default values for optional keyword arguments
...en(fields))
>>> Node()
Node(val=None, left=None, right=None)
Or better yet, use the new dataclasses library, which is much nicer than namedtuple.
>>> from dataclasses import dataclass
>>> from typing import Any
>>> @dataclass
... class Node:
... val: Any = ...
How to wait for a keypress in R?
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As someone already wrote in a comment, you don't have to use the cat before readline(). Simply write:
readline(prompt="Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the console, wrap the readline() in an invisible():
invisible(r...