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open read and close a file in 1 line of code

...athlib module does what you looking for: Path('pagehead.section.htm').read_text() Don't forget to import Path: jsk@dev1:~$ python3 Python 3.5.2 (default, Sep 10 2016, 08:21:44) [GCC 5.4.0 20160609] on linux Type "help", "copyright", "credits" or "license" for more information. >>> from ...
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What makes a keychain item unique (in iOS)?

... The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp): For a keychain item of class kSecClassGenericPassword, the primary key is the combination of kSecAttrAccount and kSecAttrService. For a keychain item of class kSecClassI...
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Is inline assembly language slower than native C++ code?

... it): calcuAsm: # @calcuAsm .Ltmp0: .cfi_startproc # BB#0: testl %edx, %edx jle .LBB0_2 .align 16, 0x90 .LBB0_1: # %.lr.ph # =>This Inner Loop Header: Depth=1 imull $1000...
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START_STICKY and START_NOT_STICKY

...ices that use this mode should always check for this case and deal with it appropriately. START_NOT_STICKY says that, after returning from onStartCreated(), if the process is killed with no remaining start commands to deliver, then the service will be stopped instead of restarted. This makes a lot m...
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How to list out all the subviews in a uiviewcontroller in iOS?

...eDescription, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html It outputs a more complete view hierarchy which you might find useful: > po [_myToolbar recursiveDescription] <UIToolbarButton: 0xd866040; frame = (152 0; 15 44); opaque = NO; layer = <CALayer: 0xd8642...
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What does “program to interfaces, not implementations” mean?

...wered Apr 23 '10 at 10:31 this. __curious_geekthis. __curious_geek 40.1k2020 gold badges105105 silver badges132132 bronze badges ...
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What's the canonical way to check for type in Python?

... str.__subclasses__() only returns the direct subclasses of str, and does not do the same thing as issubclass() or isinstance(). (To do that, you would have to recursively call .__subclasses__(). – Thomas Wou...
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How do I remove duplicate items from an array in Perl?

...is as demonstrated in perlfaq4: sub uniq { my %seen; grep !$seen{$_}++, @_; } my @array = qw(one two three two three); my @filtered = uniq(@array); print "@filtered\n"; Outputs: one two three If you want to use a module, try the uniq function from List::MoreUtils ...
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How to change the timeout on a .NET WebClient object

...> Public Class WebClient Inherits System.Net.WebClient Private _TimeoutMS As Integer = 0 Public Sub New() MyBase.New() End Sub Public Sub New(ByVal TimeoutMS As Integer) MyBase.New() _TimeoutMS = TimeoutMS End Sub ''' <summary> ''' S...
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What is the recommended approach towards multi-tenant databases in MongoDB?

I'm thinking of creating a multi-tenant app using MongoDB. I don't have any guesses in terms of how many tenants I'd have yet, but I would like to be able to scale into the thousands. ...