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how to solve “ruby installation is missing psych” error?
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No, he meant rvm pkg install libyaml. From rvm usage: pkg :: Install a dependency package {readline,iconv,zlib,openssl}.
– jordanpg
May 9 '12 at 20:45
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Is it possible to Turn page programmatically in UIPageViewController?
...ewControllers it can make it appear that you're animatedly navigating away from the current view controller, but it's not really seeking to a page.
– Amy
Feb 25 '14 at 1:25
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How to check for a valid URL in Java?
... not work for malformed URLs such as http:/google.com. I used UrlValidator from Apache Commons.
– starf
May 27 '14 at 16:02
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... table view it will query and which applicable FRC to pull the information from. The FRC delegate methods must also figure out which tableView to update.
It is surprising how much of this is boilerplate code.
Relevant bits of the header file:
@interface BlahViewController : UITableViewController...
Should a return statement be inside or outside a lock?
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You can't return from a try block; it must end with a ".leave" op-code. So the CIL emitted should be the same in either case.
– Greg Beech
Nov 5 '08 at 21:25
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What are static factory methods?
...e(). The constructors are marked private, so they cannot be called except from inside the class, and the factory method is marked as static so that it can be called without first having an object.
There are a few advantages to this pattern. One is that the factory can choose from many subclasses ...
What are the pros and cons of both Jade and EJS for Node.js templating? [closed]
...h EJS. I don't have to do all the conversion when receiving HTML templates from my designer friend. All I have to do is to replace the dynamic parts with variables passed from ExpressJS. Stuff that make me crazy when using Jade are solved in EJS
<div class="<%= isAdmin? 'admin': '' %> user...
How to slice an array in Bash
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Array slicing like in Python (From the rebash library):
array_slice() {
local __doc__='
Returns a slice of an array (similar to Python).
From the Python documentation:
One way to remember how slices work is to think of the indices as poi...
Where is a complete example of logging.config.dictConfig?
...ame__)
log.debug("Logging is configured.")
In case you see too many logs from third-party packages, be sure to run this config using logging.config.dictConfig(LOGGING_CONFIG) before the third-party packages are imported.
Reference: https://docs.python.org/3/library/logging.config.html#configurati...
NodeJS require a global module/package
... depend on where your global modules are actually installed.
See: Loading from the global folders.
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