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Why use String.Format? [duplicate]
...er of reasons:
Readability
string s = string.Format("Hey, {0} it is the {1}st day of {2}. I feel {3}!", _name, _day, _month, _feeling);
vs:
string s = "Hey," + _name + " it is the " + _day + "st day of " + _month + ". I feel " + feeling + "!";
Format Specifiers
(and this includes the fact y...
Fastest way to count exact number of rows in a very large table?
...SQL Server solutions but don't use COUNT(*) = out of scope
Notes:
COUNT(1) = COUNT(*) = COUNT(PrimaryKey) just in case
Edit:
SQL Server example (1.4 billion rows, 12 columns)
SELECT COUNT(*) FROM MyBigtable WITH (NOLOCK)
-- NOLOCK here is for me only to let me test for this answer: no more, no...
How can I use “puts” to the console without a line break in ruby on rails?
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1 Answer
1
Active
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How to convert int[] into List in Java?
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271
There is no shortcut for converting from int[] to List<Integer> as Arrays.asList does not ...
GitHub - List commits by author
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172
If the author has a GitHub account, just click the author's username from anywhere in the comm...
How does a Java HashMap handle different objects with the same hash code?
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14 Answers
14
Active
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...all jobs for one queue
Sidekiq.redis { |r| r.lrange "queue:app_queue", 0, -1 }
# See all jobs in all queues
Sidekiq::Client.registered_queues.each do |q|
Sidekiq.redis { |r| r.lrange "queue:#{q}", 0, -1 }
end
# Remove a queue and all of its jobs
Sidekiq.redis do |r|
r.srem "queues", "app_queu...
Fill remaining vertical space with CSS using display:flex
...kground: tomato;
/* no flex rules, it will grow */
}
div {
flex: 1; /* 1 and it will fill whole space left if no flex value are set to other children*/
background: gold;
overflow: auto;
}
footer {
background: lightgreen;
min-height: 60px; /* min-height has its purpose :) ...
How to filter files when using scp to copy dir recursively?
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152
I'd probably recommend using something like rsync for this due to its include and exclude flag...