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Why not infer template parameter from constructor?
...iable<Variable<int>> ?
The key question is, does the compiler select the type-inferred constructor here or the copy constructor?
Trying the code out, we can see that the copy constructor is selected. To expand on the example:
Variable var(num); // infering ctor
Variable var2(va...
MongoDb query condition on comparing 2 fields
...have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
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Remove a HTML tag but keep the innerHtml
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$('b').contents().unwrap();
This selects all <b> elements, then uses .contents() to target the text content of the <b>, then .unwrap() to remove its parent <b> element.
For the greatest performance, always go native:
var b = document.ge...
Using the last-child selector
...t can't be added dynamically through other code, but first-child is a CSS2 selector, whereas last-child was added in the CSS3 specification)
Note: This only works the way you intended if you only have 2 items in the list like your example. Any 3rd item and on will have borders applied to them.
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Why can't R's ifelse statements return vectors?
...urns a value with the same
shape as test which is filled with
elements selected from either yes or
no depending on whether the element
of test is TRUE or FALSE.
Since you are passing test values of length 1, you are getting results of length 1. If you pass longer test vectors, you will get...
How can I access the MySQL command line with XAMPP for Windows?
... The buffer size for TCP/IP and socket communication.
--select-limit=# Automatic limit for SELECT when using --safe-updates.
--max-join-size=# Automatic limit for rows in a join when using
--safe-updates.
--secure-auth Refuse client connecting ...
Turn a number into star rating display using jQuery and CSS
...jsbin.com/IBIDalEn/2/edit (P.S. removed unneeded stuff in JS, minified CSS selectors and used max-width).
– Roko C. Buljan
Dec 13 '13 at 4:06
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How to stop an app on Heroku?
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Go to your dashboard on heroku. Select the app. There is a dynos section. Just pull the sliders for the dynos down, (a decrease in dynos is to the left), to the number of dynos you want to be running. The slider goes to 0. Then save your changes. Boom.
Acc...
Is there a string math evaluator in .NET?
...riptControl is a COM object. In the "Add reference" dialog of the project select the "COM" tab and scroll down to "Microsoft Script Control 1.0" and select ok.
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form with no action and where enter does not reload page
...ent (e.g. enter key) can bring you in trouble with textareas, and possibly selecting autocompletion or dropdowns, and mobile could be another source of trouble.
– luckydonald
Jun 10 at 15:34
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