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Is Redis just a cache?
...r_text "No, its a lot more" answered_by 15 votes 1
OK
Handling Up Votes
Now, everytime someone upvotes a question or an answer, you just need to do this
$ HINCRBY question:1 votes 1
(integer) 1
$ HINCRBY question:1 votes 1
(integer) 2
List of Questions for Homepage
Next, we want to store the...
jQuery append() vs appendChild()
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Do you know why append is "safe" and appendChild is not? What does domManip do?
– Rob Fox
Mar 17 '14 at 8:29
2
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How to remove all CSS classes using jQuery/JavaScript?
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Shouldn't the attr() version be prop() now?
– Mike
Mar 18 '16 at 23:20
7
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Display current time in 12 hour format with AM/PM
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Outmoded now. These formatting codes are now supplanted by the formatting codes of the DateTimeFormatter class, per JSR 310.
– Basil Bourque
Sep 3 '19 at 1:45
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Make xargs execute the command once for each line of input
... away with tr, but they are not available on OS X and other UNIX systems.
Now for the long explanation…
There are two issues to take into account when using xargs:
how does it split the input into "arguments"; and
how many arguments to pass the child command at a time.
To test xargs' behav...
Is it a good idea to index datetime field in mysql?
...it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), INTERVAL 30 DAY) and you have no other index in the condition, MySQL will have to do a full table scan on every query. I'm not sure how many rows are generated in 30 days, but as long as it's less t...
How to update a plot in matplotlib?
..., after I replotted the data another set of plots were drawn in my GUI, so now I had 4 plots after recalculation, just like before.
– thenickname
Nov 4 '10 at 16:59
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Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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How to mount a host directory in a Docker container
...x.
According to Docker documentation, the appropriate command to mount is now mount instead of -v. Here's its documentation:
--mount: Consists of multiple key-value pairs, separated by commas. Each key/value pair takes the form of a <key>=<value> tuple. The --mount syntax is more verb...
How to programmatically display version/build number of target in iOS app?
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Do you know if there are there any string constants for @"CFBundleShortVersionString" and @"CFBundleVersion" ?
– igrek
Oct 15 '15 at 7:36
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