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Measuring the distance between two coordinates in PHP
... Just put a comment on previous line and say // M_PI / 180 ... etc. I don't know why it would make it difficult to maintain. It is not something you will ever change.
– Evren Yurtesen
Dec 5 '17 at 16:56
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What's the difference between passing by reference vs. passing by value?
...00.
Depending on the language's architecture or the type (class, struct, etc.) of your object, you would be either transferring "John" or 0x7fd5d258dd00
Passing "John" is known as passing by value.
Passing 0x7fd5d258dd00 is known as passing by reference. Anyone who is pointing to this memory loca...
How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...mote..."
Next window will ask you were to publish (github, bitbucket, etc), and then you are done.
Link the remote repository
Push
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How to use knockout.js with ASP.NET MVC ViewModels?
... be more complex, but it turns out that the integration is really easy, in order to make your model editable just add the following line: (remember that in this case I am using a mixed model, from server and adding extension in client and the editable simply works... it's great):
ko.editable(g);...
rails i18n - translating text with links inside
...inks to flash messages from YAML files (for example the logged in username etc.) so instead I wanted to use ERB notation in the string.
As I am using bootstrap_flash so I modified the helper code as follows to decode the ERB strings before displaying:
require 'erb'
module BootstrapFlashHelper
A...
Parsing XML with namespace in Python via 'ElementTree'
...u're dealing with big and complex xml files so that that sub-sub-elements (etc.) are also included.
If you know yourself where elements are in your xml, then I suppose it'll be fine! Just thought this was worth remembering.
root.iter()
ref: https://docs.python.org/3/library/xml.etree.elementtree....
How do you use NSAttributedString?
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WARN: Dictionary keys are unordered. Do not use the code above, you will loose control over the order of your strings being displayed.
– Matt-Lloyd
Apr 17 '14 at 11:28
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Append an object to a list in R in amortized constant time, O(1)?
... up to about a kB per node for my applications. I hold on to large arrays, etc.
– Ana Nimbus
Feb 1 at 6:23
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Are GUID collisions possible?
...SE1-2004-lec12.pdf, page 11. This is also true of disk drives, cd drives, etc...
GUIDs are statistically unique and the data you read from the db is only statistically correct.
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What does T&& (double ampersand) mean in C++11?
...that std::unique_ptr can be legally stored in Standard containers, sorted, etc, whereas C++03's std::auto_ptr cannot.
Now we consider the other use of rvalue references- perfect forwarding. Consider the question of binding a reference to a reference.
std::string s;
std::string& ref = s;
(std::...