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Store a closure as a variable in Swift
... block's input and output, store one of those blocks that's passed in to a method, then use that block later:
7 Answers
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Invoking JavaScript code in an iframe from the parent page
... want to call is targetFunction():
document.getElementById('targetFrame').contentWindow.targetFunction();
You can also access the frame using window.frames instead of document.getElementById.
// this option does not work in most of latest versions of chrome and Firefox
window.frames[0].frameElem...
How to install Java SDK on CentOS?
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The following command will return a list of all packages directly related to Java. They will be in the format of java-<version>.
$ yum search java | grep 'java-'
If there are no available packages, then you may need to download a ne...
Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
27 Answers
27
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Where do I set my company name?
When creating new source files xcode adds comments with your name and company name.
14 Answers
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HAProxy redirecting http to https (ssl)
I'm using HAProxy for load balancing and only want my site to support https. Thus, I'd like to redirect all requests on port 80 to port 443.
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Remove all whitespace in a string
I want to eliminate all the whitespace from a string, on both ends, and in between words.
10 Answers
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YAML current date in rmarkdown
I'm wondering if there's a trick to put the current date in the YAML front-matter of a .rmd document to be processed by knitr and the rmarkdown package. I used to have the following line at the top of my wiki pages,
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What is the attribute property=“og:title” inside meta tag?
... your page to someone (over fb, messenger, etc), usually a short card-like content will be displayed with a title, image and a short content nm>ex m>t to the image
– Mladen B.
Jan 16 at 14:20
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How to refresh Android listview?
... are recomended (read not deprecated). If use listview, cursor adapter and content provider you might try something along the lines: gettLoaderManager().restartLoader(). See: stackoverflow.com/a/19657500/1087411 I would like to see at least some documentation on notifyDataSetChanged(). To much in an...