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Why should C++ programmers minimize use of 'new'?
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There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...
How does one write code that best utilizes the CPU cache to improve performance?
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The cache is there to reduce the number of times the CPU would stall waiting for a memory request to be fulfilled (avoiding the memory latency), and as a second effect, possibly to reduce the overall amount of data that needs to be transfered (preserving memory bandwidth).
Techniques for ...
Remove the bottom divider of an android ListView
... This seems to no longer work starting with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I'...
onActivityResult is not being called in Fragment
The activity hosting this fragment has its onActivityResult called when the camera activity returns.
39 Answers
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vim - How to delete a large block of text without counting the lines?
...pe V (capital). Then move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d.
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Does IE9 support console.log, and is it a real function?
...native ECMAScript functions and objects do. This is the reason apply and call are undefined on those methods. In IE 9, most DOM objects were improved to inherit from native ECMAScript types. As the developer tools are considered an extension to IE (albeit, a built-in extension), they clearly didn...
“The given path's format is not supported.”
...spaces; 'System.IO.Path' is a type not a namespace
– All Blond
Sep 8 '11 at 13:32
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@All Blond pu...
What is this 'Waiting for Background operation' in Visual Studio 2012?
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I was having the same problem, especially in cshtml pages. I found this page: https://devblogs.microsoft.com/aspnet/visual-studio-11-beta-razor-editor-issue-workaround that suggests changing the indent option in Tools > Options > Text Editor > HTML >...
Bootstrap Modal immediately disappearing
...l code, e.g., var Modal.
Unfortunately, these won't always find things in all cases. Inspecting the network requests can be a little more robust at giving you a picture of everything loaded on a page.
A (Broken) Demo
Here's a demo of what happens when you load both the bootstrap.js and bootstrap-...
Images can't contain alpha channels or transparencies
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AFAIK png with transparency is not allowed. use jpg OR update your png (photoshop or whatever you using to create the png) and delete the transparency areas. if you work with shadows, use jpg, that will do no headaches.
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