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JOIN two SELECT statement results
Is it possible to join the results of 2 sql SELECT statements in one statement?
I have a database of tasks where each record is a separate task, with deadlines (and a PALT , which is just an INT of days from start to deadline. Age is also an INT number of days.)
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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There's no difference – they mean exactly the same (in GNU Make and in POSIX make).
I think that $(round brackets) look tidier, but that's just personal preference.
(Other answers point to the relevant sections of the GNU Make documentation, and note t...
Does Git publicly expose my e-mail address?
...e read so far on Git say that I should go into the config and specify my name and my e-mail address. They don't elaborate; they just say to do it.
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Access properties file programmatically with Spring?
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Beats me, I didn't get to vote :) I wouldn't use a PropertyPlaceholderConfigurer, though it's overkill for the task.
– skaffman
Nov 20 '09 at 16:15
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Loop through an array of strings in Bash?
...ou can use it like this:
## declare an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" ...
Annotating text on individual facet in ggplot2
I want to annotate some text on last facet of the plot with the following code:
6 Answers
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What is the difference between const_iterator and non-const iterator in the C++ STL?
...ion within a const class. On the other hand, that's pretty much the only time I've used a mutable in nearly twenty years of C++ development.
– Head Geek
Nov 22 '08 at 3:26
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How to find largest objects in a SQL Server database?
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I've been using this SQL script (which I got from someone, somewhere - can't reconstruct who it came from) for ages and it's helped me quite a bit understanding and determining the size of indices and tables:
SELECT
t.name AS TableName,
i.name as indexName,
sum(p...
Is storing a delimited list in a database column really that bad?
... example in MySQL:
idlist REGEXP '[[:<:]]2[[:>:]]'*
Hard to count elements in the list, or do other aggregate queries.
Hard to join the values to the lookup table they reference.
Hard to fetch the list in sorted order.
To solve these problems, you have to write tons of application code, reinv...
HTML5 Canvas 100% Width Height of Viewport?
I am trying to create a canvas element that takes up 100% of the width and height of the viewport.
7 Answers
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