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Hex representation of a color with alpha channel?
... an hex to rgba:
background:
rgba(#000, 0.5);
And the preprocessor just converts the hex code to rgb automatically.
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Update git commit author date when amending
... in the source code of git(1) in date.c 'now' is a special value which is converted using date_now() function. Same for 'noon', 'yesterday', 'midnight', 'tea' and others listed in the structure array special[].
– sbz
Jul 29 '16 at 0:18
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How to 'minify' Javascript code
...alert(condition?'yes':'no')
//if the condition is true alert yes else no
Convert a number to a string or viceversa
var a=10;
var b=a.toString();
var c=parseFloat(b)
//same as
var a=10,b,c;
b=a+'';
c=b*1
//shorter
var a=10;
a+='';//String
a*=1;//Number
Round a number
var a=10.3899845
var b=Mat...
Django migration strategy for renaming a model and relationship fields
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Thank you for this! I think that the key part is converting all foreign keys, in or out of the model to be renamed, to IntegerField. This worked perfectly for me, and has the added advantage that they get recreated with the correct name. Naturally I would advise reviewing a...
Why does std::getline() skip input after a formatted extraction?
I have the following piece of code that prompts the user for their name and state:
3 Answers
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When to encode space to plus (+) or %20?
...ions, URLs are covered entirely by RFC3986, which means spaces ought to be converted to '%20'. And definitely that should be the case if you are requesting anything other than an HTML document.
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What is a race condition?
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A race condition occurs when two or more threads can access shared data and they try to change it at the same time. Because the thread scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the re...
Test for existence of nested JavaScript object key
... arguments is not actually an array. Array.prototype.slice.call(arguments) converts it to a formal array. Learn
– deefour
Nov 10 '12 at 1:00
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Routing: The current request for action […] is ambiguous between the following action methods
...o direct the page to http://localhost:62019/Gallery/Browse/{Searchterm} and when nothing is entered, I want to direct the browser to http://localhost:62019/Gallery/Browse/Start/Here .
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Why is '+' not understood by Python sets?
...'t have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both se...