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What are the downsides to using Dependency Injection? [closed]
...bly want to switch from std::cout to std::wcout. But that means my strings then have to be of wchar_t, not of char. Either every caller has to be changed, or (more reasonably), the old implementation gets replaced with an adaptor that translates the string and calls the new implementation.
That's m...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...you're using Bundler, you should remove the gem using gem uninstall pg but then let bundler reinstall the correct version from Gemfile.lock by simply running bundle.
– danielricecodes
Jun 14 '15 at 17:10
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jQuery get value of select onChange
... navigate a form and use the up/down arrows to choose from a dropdown list then FireFox (22.0) does not trigger the change event. You need to additionally bind keypress for FireFox. Additional Info: jQuery 1.10.2 using the syntax $('select').on('change', function(){ /* do seomthing */ });
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Add Bootstrap Glyphicon to Input Box
... with CSS by absolutely positioning the icon inside of the input element. Then add padding to either side so the text doesn't overlap with the icon.
So for the following HTML:
<div class="inner-addon left-addon">
<i class="glyphicon glyphicon-user"></i>
<input type="t...
How often to commit changes to source control? [closed]
... Also, if you're using something like Git, and working in your own Branch, then you won't affect the Build for other team members or even the CI/CD pipeline.
– Chris Pietschmann
Feb 17 '18 at 14:24
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How do I check if a type provides a parameterless constructor?
...stance() to instantiate an object based on a string or a constructed Type) then this won't help you. I generally use reflection as the absolute last option, because once you've gone to dynamic land you pretty much have to stay in dynamic land; it's usually difficult or even messier to dynamically in...
Add line break to ::after or ::before pseudo-element content
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For a moment I thought "why \A and not \n" - then I remembered newline is 0x0A :)
– Camilo Martin
Jul 29 '16 at 10:49
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How do I read a text file of about 2 GB? [duplicate]
...me now, and I'm so impressed I'm going to trial it at work too in Feb. And then buy it.
– Relaxed1
Dec 11 '14 at 12:53
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Get the position of a div/span tag
...you just wanted the x,y position of the element relative to its container, then all you need is:
var x = el.offsetLeft, y = el.offsetTop;
To put an element directly below this one, you'll also need to know its height. This is stored in the offsetHeight/offsetWidth property.
var yPositionOfNewEle...
How to print a percentage value in python?
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You are dividing integers then converting to float. Divide by floats instead.
As a bonus, use the awesome string formatting methods described here: http://docs.python.org/library/string.html#format-specification-mini-language
To specify a percent co...