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Javascript switch vs. if…else if…else
...map[funCode];
if (thisFun) thisFun();
}
Setting up multi-way branching by creating an object has a lot of advantages. You can add and remove functionality dynamically. You can create the dispatch table from data. You can examine it programmatically. You can build the handlers with other function...
Java: How to get input from System.console()
... method delegates to an overloaded read() method that reads 8192 amount of bytes and buffers them until they are needed. It still returns only the single byte (but keeps the others in reserve). This way the BufferedInputStream makes less native calls to the OS to read from the file. Thanks
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What is the difference between screenX/Y, clientX/Y and pageX/Y?
... to the top left corner of the whole rendered page (including parts hidden by scrolling),
while clientX/Y coordinates are relative to the top left corner of the visible part of the page, "seen" through browser window.
See Demo
You'll probably never need screenX/Y
...
How to change time and timezone in iPhone simulator?
...sible to override time on the status bar of iOS simulator (since Xcode 11) by using simctl tool:
xcrun simctl status_bar "iPhone Xs" override --time "21:08"
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Getting attribute using XPath
...f the evaluation of the XPath expression. My guess is that these are added by an (inappropriate) tool you are using.
– Dimitre Novatchev
Mar 5 '14 at 17:00
6
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When should i use npm with “-g” flag and why?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
npm install from Git in a specific version
...
A dependency has to be available from the registry to be installed just by specifying a version descriptor.
You can certainly create and use your own registry instead of registry.npmjs.org if your projects shouldn't be shared publicly.
But, if it's not in a registry, it'll have to be referenced...
Rails formatting date
...ides you a way to present the string representation of the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 Calendar date (extended)
%Y-%m ...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...DN documentation for Dictionary<TKey,TValue>
"Retrieving a value by using its key is very fast, close to O(1), because the Dictionary class is implemented as a hash table."
With a note:
"The speed of retrieval depends on the quality of the hashing algorithm of the type specified for...
What is Full Text Search vs LIKE
...any information retrieval systems can enable support for leading wildcards by pre-compiling suffix trees in selected fields.
Other features typical of full-text search are
lexical analysis or tokenization—breaking a
block of unstructured text into
individual words, phrases, and
special tokens
...