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How to check if a variable is set in Bash?
How do I know if a variable is set in Bash?
33 Answers
33
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XmlSerializer giving FileNotFoundException at constructor
An application I've been working with is failing when I try to serialize types.
18 Answers
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Apache Prefork vs Worker MPM
Looking at the Apache config file, I see Prefork and Worker MPM defined. What is the difference and which one is Apache using?
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...ynchronous web scraping framework that is scrapy
– Granitosaurus
Jul 26 '16 at 13:13
2
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How to make EditText not editable through XML in Android?
...itkumar enabled is not deprecated. editable is.
– InsanityOnABun
Mar 29 '18 at 19:56
7
by enable,...
jquery data selector
I need to select elements based on values stored in an element's .data() object. At a minimum, I'd like to select top-level data properties using selectors, perhaps like this:
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Does have to be in the of an HTML document?
...To the date it seems that only Firefox supports the scoped attribute, see caniuse.com/#feat=style-scoped.
– Jaime Hablutzel
Oct 15 '15 at 23:18
2
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How do RVM and rbenv actually work?
...nv uses wrappers or "shims" for all basic ruby commands as the default mechanism to select ruby. RVM creates wrappers for basic command line tools like gem, rake, ruby, too. They are used for example in CronJobs ( see http://rvm.io/integration/cron/ ), but they are not the default mechanism to switc...
Auto line-wrapping in SVG text
...filling etc, and that you can specify either of width or height as auto, meaning that the text can flow freely in that direction. ForeignObject acts as clipping viewport.
Note: while the above example is valid SVG 1.1 content, in SVG 2 the 'requiredFeatures' attribute has been removed, which means ...
When to use Storyboard and when to use XIBs
...u can do in code. Especially when you want to do some advanced things with animations and transitions you will find yourself "fighting the storyboard" to get it to work.
Storyboards don't let you change the type of special view controllers: You want to change a UITableViewController into a UICollect...