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How Do You Clear The IRB Console?
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@fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work.
– Fan Yer
May 19 '17 at 9:06
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...s caused by tabbing through fields with the keyboard, and does not work at all in Chrome or Safari. The big problem with using activeElement (except in IE) is that it is not consistently updated until after the blur event has been processed, and may have no valid value at all during processing! This...
How to generate a random alpha-numeric string?
...er that would "likely" be unique over 500K+ generation (my needs don't really require anything much more sophisticated).
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Passing variables through handlebars partial
...andlebars.js in an express.js application. To keep things modular, I split all my templates in partials.
8 Answers
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Ruby optional parameters
...cope ||= LDAP::LDAP_SCOPE_SUBTREE
... do something ...
end
Now if you call the method as above, the behaviour will be as you expect.
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How to convert .pfx file to keystore with private key?
...entcert.jks -deststoretype JKS
Using JDK 1.5 or below
OpenSSL can do it all. This answer on JGuru is the best method that I've found so far.
Firstly make sure that you have OpenSSL installed. Many operating systems already have it installed as I found with Mac OS X.
The following two commands c...
How to play a local video with Swift?
I have a short mp4 video file that I've added to my current Xcode6 Beta project.
9 Answers
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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Java 8: performance of Streams vs Collections
I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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Google breakpad stackwalker无法加载符号 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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参考：https://stackoverflow.com/questions/23537187/stackwalker-loads-all-symbol-files-but-still-doesnt-symbolicate-anything