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What is the effect of encoding an image in base64?
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Takeaway = There's some advantage to encoding and gzipping your UI icons, etc, but unwise to do this for larger images.
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What is the difference between children and childNodes in JavaScript?
...nts without looping through all children or avoiding to use getElementById etc.
e.g.
ParentNode.children.namedItem('ChildElement-ID'); // JS
ref.current.children.namedItem('ChildElement-ID'); // React
this.$refs.ref.children.namedItem('ChildElement-ID'); // Vue
I will go with Node.childNodes:
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How to install a node.js module without using npm?
... with your use-gulp project...
Fork gulp-util project on github\bitbucket etc.
Switch to your project: cd use-gulp/node_modules
Clone gulp-util as gulp-util-dev : git clone https://.../gulp-util.git gulp-util-dev
Run npm install to ensure dependencies of gulp-util-dev are available.
Now you have a ...
What is declarative programming? [closed]
...ht be resolved by introducing soft constraints (priorities, probabilities, etc.) or leveraging a paraconsistent logic.
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answered Aug 6 '12 at 21:43
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How to convert a data frame column to numeric type?
...ry(lubridate)
# Recreate data that needs converted to numeric, date-time, etc
data_df
#> # A tibble: 5 × 9
#> TIMESTAMP SYMBOL EX PRICE SIZE COND BID BIDSIZ OFR
#> <chr> <chr> <chr> <chr> <chr> <chr> <chr>...
Exit a Script On Error
...n the script of that command
# exit the script or return to try again, etc.
exit $errorCode # or use some other value or do return instead
}
trap f ERR
# do some stuff
false # returns 1 so it triggers the trap
# maybe do some other stuff
Other traps can be set to handle other signals, inc...
How do I change the formatting of numbers on an axis with ggplot?
...are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable.
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Why doesn't Objective-C support private methods?
...why alter the semantics of the language, as well as the compiler, runtime, etc., to add a feature that's already emulated in an acceptable way? As noted in other answers, the message-passing semantics -- and their reliance on runtime reflection -- would make handling "private" messages non-trivial.
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Is the order of elements in a JSON list preserved?
...hen by the language-specific objects (Dictionary, NSDictionary, Hashtable, etc) that are used as an internal representation.
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Allow CORS REST request to a Express/Node.js application on Heroku
...ode.js that works for requests from the js console in Chrome, and URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS).
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