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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...e用户的SQL执行历史记录?select * from v$sqlarea t order by t LAST_ACTIVE_TIME desc注意 :执行此语句等等一些相关的语句 必须具有DBA 的权限 虽然 select * from v$sqlarea t order by t.LAST_ACTIVE_TIME desc 注意 :执行此语句等等一些相关的语句 必...
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Difference between method and function in Scala

..., no instance - with a method type. As mentioned above, a Method Value actually has a Function Type. A method type is a def declaration - everything about a def except its body. Value Declarations and Definitions and Variable Declarations and Definitions are val and var declarations, including both...
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Why are preprocessor macros evil and what are the alternatives?

I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?

... @rodfersou FYI: your example is wrong. stop is not actually the stop / end position but count / distance. (no offense, just to make people aware of the typo) – F Lekschas Jul 26 '18 at 2:45 ...
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How to generate a random string in Ruby

...ring = SecureRandom.hex # outputs: 5b5cd0da3121fc53b4bc84d0c8af2e81 (i.e. 32 chars of 0..9, a..f) SecureRandom also has methods for: base64 random_bytes random_number see: http://ruby-doc.org/stdlib-1.9.2/libdoc/securerandom/rdoc/SecureRandom.html ...
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Converting a string to a date in JavaScript

...priate library: You can also take advantage of the library Moment.js that allows parsing date with the specified time zone. share | improve this answer | follow ...
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Advantage of creating a generic repository vs. specific repository for each object?

... are any major advantages to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods. ...
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Ruby, remove last N characters from a string?

...alternative, and hope it helps people who land here. In fact, I've covered all this in the question - I'm hoping this method accepts a regex soon, though there's a perfect alternative for your case right below this. – SRack Sep 2 '19 at 15:07 ...
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Code coverage with Mocha

...ul is. Try the following, after you get your mocha tests to pass: npm install nyc Now, simply place the command nyc in front of your existing test command, for example: { "scripts": { "test": "nyc mocha" } } sha...