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Creating a div element in jQuery [duplicate]
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You can read about it in the docs at api.jquery.com/jQuery/#jQuery2 (last paragraph of section)
– Gabriele Petrioli
Dec 2 '10 at 10:20
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If strings are immutable in .NET, then why does Substring take O(n) time?
... I've seen this sort of code quite a bit: string contents = File.ReadAllText(filename); foreach (string line in content.Split("\n")) ... or other versions of it. I mean read an entire file, then process the various parts. That sort of code would be considerably faster and require less memo...
How to print matched regex pattern using awk?
...out the line, which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
sha...
How do I get IntelliJ to recognize common Python modules?
...inux) as the home path.
Related discussion: http://devnet.jetbrains.net/thread/286883
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How and when to use ‘async’ and ‘await’
...he main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
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How to output git log with the first line only?
...%s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
Further Reading.
https://coderwall.com/p/euwpig/a-better-git-log
Advanced Reading.
http://durdn.com/blog/2012/11/22/must-have-git-aliases-advanced-examples/
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Counting null and non-null values in a single query
...ount(*) FROM us WHERE a IS NOT NULL
Edited to have the full query, after reading the comments :]
SELECT COUNT(*), 'null_tally' AS narrative
FROM us
WHERE a IS NULL
UNION
SELECT COUNT(*), 'not_null_tally' AS narrative
FROM us
WHERE a IS NOT NULL;
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What is the difference between .text, .value, and .value2?
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Regarding conventions in C#. Let's say you're reading a cell that contains a date, e.g. 2014-10-22.
When using:
.Text, you'll get the formatted representation of the date, as seen in the workbook on-screen:
2014-10-22. This property's type is always string but may not ...
How to remove folders with a certain name
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{} can be read as "for each matching file/ folder" - i.e. it substitutes for each "found" file/ folder. \; is a terminator for the -exec clause.
– wmorrison365
Mar 28 '19 at 14:18
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Maximum size of an Array in Javascript
Context: I'm building a little site that reads an rss feed, and updates/checks the feed in the background. I have one array to store data to display, and another which stores ID's of records that have been shown.
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