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bash: pip: command not found

...’s managed by the system package manager (e.g “yum”, “apt-get” etc…), and you want to use the system package manager to install or upgrade pip, then see Installing pip/setuptools/wheel with Linux Package Managers Otherwise: Securely Download get-pip.py 1 Run python g...
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Weak and strong property setter attributes in Objective-C

...or a particular file. If its on you cannot use retain release autorelease etc... Instead you use strong weak for properties or __strong __weak for variables (defaults to __strong). Strong is the equivalent to retain, however ARC will manage the release for you. The only time you would want to u...
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Looking to understand the iOS UIViewController lifecycle

... with the view controller's view. Like add it as a subview, set the frame, etc. It is also called of course when loading from a nib. – Jason Grandelli Oct 16 '13 at 13:43 ...
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How to convert currentTimeMillis to a date in Java?

..."real" month as we know it. Example: 0 = January, 1 = February, 2 = March, etc. – shagberg Dec 7 '18 at 21:21 add a comment  |  ...
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Android AsyncTask testing with Android Test Framework

... // test response data // assertEquals(.. // assertTrue(.. // etc signal.countDown();// notify the count down latch } }); signal.await();// wait for callback } share | improve t...
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How to round a number to significant figures in Python

... . Doesn't protected against undefined like math.inf, or garbage like None etc – AJP Nov 28 '19 at 8:52 ...
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Trying to start a service on boot on Android

...r> </receiver> (you don't need the android:enabled, exported, etc., attributes: the Android defaults are correct) In MyBroadcastReceiver.java: package com.example; public class MyBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, In...
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Why is “import *” bad?

...from bar import * Now, if the bar module has any of the "os", "mystuff", etc... attributes, they will override the explicitly imported ones, and possibly point to very different things. Defining __all__ in bar is often wise -- this states what will implicitly be imported - but still it's hard to t...
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Why does C++11 not support designated initializer lists as C99? [closed]

...part of this: the designer determines constructors, in-class initializers, etc. share | improve this answer | follow | ...
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What is the correct way to start a mongod service on linux / OS X?

... don't want/need launchctl, you can just run: mongod --config /usr/local/etc/mongod.conf ==> Summary ???? /usr/local/Cellar/mongodb/3.0.6: 17 files, 159M share | improve this answer ...