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<em>mem><em>mem>ap() vs. reading blocks
I'<em>mem> working on a progra<em>mem> that will be processing files that could potentially be 100GB or <em>mem>ore in size. The files contain sets of variable length records. I've got a first i<em>mem>ple<em>mem>entation up and running and a<em>mem> now looking towards i<em>mem>proving perfor<em>mem>ance, particularly at doing I/O <em>mem>ore efficiently since...
How to create Android Facebook Key Hash?
I do not understand this process at all. I have been able to navigate to the folder containing the keytool in the Java SDK. Although I keep getting the error openssl not recognised as an internal or external co<em>mem><em>mem>and. The proble<em>mem> is even if I can get this to work, what would I do and with what afterw...
Does JavaScript guarantee object property order?
...rules since ES2015, but it does not (always) follow the insertion order. Si<em>mem>ply put, the iteration order is a co<em>mem>bination of the insertion order for strings keys, and ascending order for nu<em>mem>ber-like keys:
// key order: 1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array ...
How can I check if a scrollbar is visible?
Is it possible to check the overflow:auto of a div?
19 Answers
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Understanding dict.copy() - shallow or deep?
While reading up the docu<em>mem>entation for dict.copy() , it says that it <em>mem>akes a shallow copy of the dictionary. Sa<em>mem>e goes for the book I a<em>mem> following (Beazley's Python Reference), which says:
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Why not use HTTPS for everything?
...e entire site instead of just for purchases/logins? I would think it would <em>mem>ake <em>mem>ore sense just to encrypt the entire site, and protect the user entirely. It would prevent proble<em>mem>s such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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How can I convert a string to a nu<em>mem>ber in Perl?
I have a string which holds a deci<em>mem>al value in it and I need to convert that string into a floating point variable. So an exa<em>mem>ple of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string t...
How to <em>mem>ake re<em>mem>ote REST call inside Node.js? any CURL?
In Node.js , other than using child process to <em>mem>ake CURL call, is there a way to <em>mem>ake CURL call to re<em>mem>ote server REST API and get the return data?
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Create a hexadeci<em>mem>al colour based on a string with JavaScript
I want to create a function that will accept any old string (will usually be a single word) and fro<em>mem> that so<em>mem>ehow generate a hexadeci<em>mem>al value between #000000 and #FFFFFF , so I can use it as a colour for a HT<em>Mem>L ele<em>mem>ent.
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How do I get an ele<em>mem>ent to scroll into view, using jQuery?
I have an HT<em>Mem>L docu<em>mem>ent with i<em>mem>ages in a grid for<em>mem>at using &a<em>mem>p;lt;ul&a<em>mem>p;gt;&a<em>mem>p;lt;li&a<em>mem>p;gt;&a<em>mem>p;lt;i<em>mem>g... . The browser window has both vertical &a<em>mem>p; horizontal scrolling.
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