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How do I know that the UICollectionView has been loaded completely?
...e / layout methods should be called. How do I know that?? Is there any delegate method to know UICollectionView loaded status?
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Chrome can't load web worker
I am working on a project that uses a web worker.
15 Answers
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How to obtain the query string from the current URL with JavaScript?
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Have a look at the MDN article about window.location.
The QueryString is available in window.location.search.
Solution that work in legacy browsers as well
MDN provide an example (no longer available in the above referenced article) of how to the get value of a single key available in the Q...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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What's the best way to use R scripts on the command line (terminal)?
It's very convenient to have R scripts for doing simple plots from the command line. However, running R from bash scripts is not convenient at all. The ideal might be something like
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Graphviz: How to go from .dot to a graph?
I can't seem to figure this out. I have a .dot file, which is valid according to the syntax. How do I use graphviz to convert this into an image?
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SQL JOIN and different types of JOINs
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TylerH
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answered Nov 30 '13 at 9:34
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How to show the last queries executed on MySQL?
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For those blessed with MySQL >= 5.1.12, you can control this option globally at runtime:
Execute SET GLOBAL log_output = 'TABLE';
Execute SET GLOBAL general_log = 'ON';
Take a look at the table mysql.general_log
If you prefer to output to a file in...
How to clear a chart from a canvas so that hover events cannot be triggered?
I'm using Chartjs to display a Line Chart and this works fine:
20 Answers
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Converting java.util.Properties to HashMap
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This is because Properties extends Hashtable<Object, Object> (which, in turn, implements Map<Object, Object>). You attempt to feed that into a Map<String, String>. It is therefore incompatible.
You need to feed string properties one by one into your map...
For instanc...