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How to round a number to n decimal places in Java
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That's my preferred solution. Even shorter: BigDecimal.valueOf(doubleVar).setScale(yourScaleHere, BigDecimal.ROUND_HALF_UP); BigDecimal.valueOf(double val) actually calls Double.toString() under the hood ;)
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sqlite database default time value 'now'
... @mckoss thanks to your comment, the create statement became: ... mycolumn default (strftime('%s','now'))
– larham1
Jun 15 '12 at 6:41
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Cache Invalidation — Is there a General Solution?
...ach right now based on PostSharp and memoizing functions. I've run it past my mentor, and he agrees that it's a good implementation of caching in a content-agnostic way.
Every function can be marked with an attribute that specifies its expiry period. Each function marked in this way is memoized and...
json.dumps vs flask.jsonify
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But it still does not turn SQLAlchemy objects and lists into JSON.
– ajbraus
Oct 12 '19 at 23:14
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What is the !! (not not) operator in JavaScript?
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My brain doesn't have any problem decoding !!var into Boolean(var) .. and !! is faster (less instructions to process) and shorter than the alternatives.
– adamJLev
Oct 24 '10 at 23:36
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HTML File Selection Event
... you add a file, 'on change' event will trigger.
document.getElementById('my_input').value = null;
// ^ that just erase the file path but do the trick
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Properties order in Margin
...rst number refers to left & right, the second to top & bottom, see my answer below.
– Contango
Jun 27 '13 at 16:15
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List comprehension: Returning two (or more) items for each item
... answered Aug 8 '12 at 16:29
jamylakjamylak
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Get file size, image width and height before upload
How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript?
7 Answers
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Escaping quotes and double quotes
... matter how I tried always complained. SO I did cmd /C $cmd (where $cmd is my entire command including the .exe.). I'm using powershell 2.0. Even the here-string didn't work if I remember correctly.
– eetawil
Aug 27 '13 at 12:33
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