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Node.js / Express.js - How does app.router work?

...use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middleware calls is important, because some middleware depends on other middleware, and some...
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How do I do base64 encoding on iOS?

... A really, really fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5....
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Recursive sub folder search and return files in a list python

... You should be using the dirpath which you call root. The dirnames are supplied so you can prune it if there are folders that you don't wish os.walk to recurse into. import os result = [os.path.join(dp, f) for dp, dn, filenames in os.walk(PATH) for f in filenames if o...
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Counting array elements in Python [duplicate]

... in an array, because contrary to logic array.count(string) does not count all the elements in the array, it just searches for the number of occurrences of string. ...
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Iterating through a JSON object

..._raw= raw.readlines() json_object = json.loads(json_raw[0]) you should really just do: json_object = json.load(raw) You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two dicts. The dicts contain various key/value pairs, all strings. When you do j...
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phonegap open link in browser

... As suggested in a similar question, use JavaScript to call window.open with the target argument set to _system, as per the InAppBrowser documentation: <a href="#" onclick="window.open('http://www.kidzout.com', '_system'); return false;">www.kidzout.com</a> This sho...
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Hash Map in Python

...res the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary). – user395760 Jan 2 '12 at 17:31 ...
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Open link in new tab or window [duplicate]

... It shouldn't be your call to decide whether the link should open in a new tab or a new window, since ultimately this choice should be done by the settings of the user's browser. Some people like tabs; some like new windows. Using _blank will tell...
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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error

...r the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually. To do this: TargetSettings -> Build Phases -> Compile Sources -> add your .m class ->Build and Run ...
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How to clear MemoryCache?

...clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way? ...