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Best way to center a on a page vertically and horizontally? [duplicate]
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The best and most flexible way
My demo on dabblet.com
The main trick in this demo is that in the normal flow of elements going from top to bottom, so the margin-top: auto is set to zero. However, an absolutely positioned element acts the same for distribu...
Split comma-separated strings in a column into separate rows
... CRAN (R 3.3.3)
# tidyr 0.6.1 2017-01-10 CRAN (R 3.3.2)
1My curiosity was piqued by this exuberant comment Brilliant! Orders of magnitude faster! to a tidyverse answer of a question which was closed as a duplicate of this question.
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What is the difference between bottom-up and top-down?
...zations which memoization would not otherwise let you do in a sane way. In my humble opinion, in normal software engineering, neither of these two cases ever come up, so I would just use memoization ("a function which caches its answers") unless something (such as stack space) makes tabulation neces...
How to find the lowest common ancestor of two nodes in any binary tree?
...ent pointer is given. The nodes in the tree are as the structure I gave in my question - just the left/right child pointers, no parent pointer. Is there any O(log(n)) solution if there is no parent pointer available, and the tree is not a binary search tree, and is just a binary tree?
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Unable to find valid certification path to requested target - error even after cert imported
... Thanks a lot! -Djavax.net.ssl.trustStore=/location_of/trustStore solved my problem and the debug info was really helpful too.
– RHE
Jul 19 '16 at 23:30
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Path of assets in CSS files in Symfony 2
...compiles it into web/css/a.css and make it point the image in /web/bundles/mynicebundle/images/devil.png
I have made a test with ALL possible (sane) combinations of the following:
@notation, relative notation
Parse with cssrewrite, without it
CSS image background vs direct <img> tag src= t...
Is it necessary to explicitly remove event handlers in C#
...f, of course!) go with it and there is no need to explicitly remove them.
My original answer is below, about what happens if you create an event subscriber and let it go out of scope without unsubscribing. It does not apply to your question but I'll leave it in place for history.
If the class is ...
Code First: Independent associations vs. Foreign key associations?
I have a mental debate with myself every time I start working on a new project and I am designing my POCOs. I have seen many tutorials/code samples that seem to favor foreign key associations :
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How to go about formatting 1200 to 1.2k in java
...dare any code you can possibly write to get anywhere close to the speed of my method!
– Elijah Saounkine
Jan 21 '11 at 7:20
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Vim: What's the difference between let and set?
... documentation. If you read the whole thing you'll find it agrees with all my cases. [Note: the no-prefixed options can be confusing. Also note option& has a trailing & that you may have missed.]
– sehe
Jul 13 at 23:47
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