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What's the UIScrollView contentInset property for?

... It's used to add padding in UIScrollView Without contentInset, a table view is like this: Then set contentInset: tableView.contentInset = UIEdgeInsets(top: 20, left: 0, bottom: 0, right: 0) The effect is as below: Seems to be better, right? And I write a blog to study the content...
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byte[] to hex string [duplicate]

...x above, and is probably easier to read (I'd recommend for speed) ToHexFromTable = Linked in answer by Nathan Moinvaziri, for me this is near the same speed as the above 2 but requires an array of 256 strings to always exist With: LONG_STRING_LENGTH = 1000 * 1024; BitConvertRep calculat...
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JavaScript ternary operator example with functions

...cked")) ? removeItem($this) : addItem($this); As for wether this is acceptable syntax, it sure is! It's a great way to reduce four lines of code into one without impacting readability. The only word of advice I would give you is to avoid nesting multiple ternary statements on the same line (that...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

...unctions, then we can generate highly reliable unique strings. Here is the table showing my research data: Update: I created a simple Heroku app using these functions that returns the token as a JSON response. The app can be accessed at https://uniquestrings.herokuapp.com/api/token?length=15 I hope...
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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...le Doc's Spreadsheet have no issues with UTF-8 files with commas. See the table in this question for what works and doesn't work for Unicode CSV files in Excel As a side note, I might add that if you are using Composer, you should have a look at adding League\Csv to your requires. League\Csv has...
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What are all possible pos tags of NLTK?

...abler if others are like me, I had wrong expectations. I expected a lookup table/list/map, mapping the pos acronyms like RB to their meaning like adverb. (Here is an example; or see @Suzana's answer, which links the Penn Treebank Tag Set). But you're right, the builtin nltk.help.upenn_tagset('RB')is...
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Why does JavaScript only work after opening developer tools in IE once?

...roupEnd', 'info', 'log', 'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd', 'timeStamp', 'trace', 'warn' ]; var length = methods.length; var console = (window.console = window.console || {}); while (length--) { method = methods[length]; ...
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Log4Net, how to add a custom field to my logging

I use the log4net.Appender.AdoNetAppender appender. My log4net table are the following fields [Date],[Thread],[Level],[Logger],[Message],[Exception] ...
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Why is this jQuery click function not working?

... set up the html element for a jquery function on the fly (such as query a table row depending on what button is clicked), it needs to be outside/after that function. I mistakenly changed the name of the target div for my pop-up overlays and then spent several frustrating hours looking for a script...
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Compute a confidence interval from sample data

... Careful with the "private" use of sp.stats.t._ppf. I'm not that comfortable with that in there without further explanation. Better to use sp.stats.t.ppf directly, unless you are sure you know what you are doing. On quick inspection of the source there is a fair amount of code skipped with _pp...