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What's a “static method” in C#?
...technical limitation that prevents calling a static method on an instance? If the compiler would allow it, what is the danger of it being accessible?
– kroonwijk
Sep 12 '11 at 19:09
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Print number of keys in Redis
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DBSIZE returns the number of keys and it's easier to parse.
Downside: if a key has expired it may still count.
http://redis.io/commands/dbsize
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How to Add a Dotted Underline Beneath HTML Text
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If the content has more than 1 line, adding a bottom border won't help. In that case you'll have to use,
text-decoration: underline;
text-decoration-style: dotted;
If you want more breathing space in between the text and t...
You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
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First, check to make sure that rake is mentioned in your Gemfile. If it's not, add it, and specify the version "you already activated".
Then, you'll need to tell bundle to update the rake version it's using for your app:
bundle update rake
It'll update your Gemfile.lock for you.
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
...ceting you have the same x and y on each sub-plot; with pairs, you have a different x on each column, and a different y on each row.
– naught101
Aug 21 '12 at 2:14
29
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How to reset sequence in postgres and fill id column with new data?
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If you don't want to retain the ordering of ids, then you can
ALTER SEQUENCE seq RESTART WITH 1;
UPDATE t SET idcolumn=nextval('seq');
I doubt there's an easy way to do that in the order of your choice without recreating t...
How do I create a new class in IntelliJ without using the mouse?
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If you are already in the Project View, press Alt+Insert (New) | Class. Project View can be activated via Alt+1.
To create a new class in the same directory as the current one use Ctrl+Alt+Insert (New...).
You can also do i...
Where can I find a list of scopes for Google's OAuth 2.0 API? [closed]
The example I'm working with specifies the scope in the OAuth request as:
scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.profile
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CSS :not(:last-child):after selector
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If it's a problem with the not selector, you can set all of them and override the last one
li:after
{
content: ' |';
}
li:last-child:after
{
content: '';
}
or if you can use before, no need for last-child
li+li:before...
When would you use a List instead of a Dictionary?
What is the difference between a List of KeyValuePair and a Dictionary for the same types? Is there an appropriate time to use one or the other?
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