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How to update Python?

... conda in your bin or install conda from PyPI. Then create another symlink called conda-activate to activate in the Anaconda/Miniconda root bin folder. Now Anaconda/Miniconda is just like Ruby RVM. Just use conda-activate root to enable Anaconda/Miniconda. Portable Python is no longer being develope...
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difference between use and require

...ier by not requiring you to spell out the namespace every time you want to call a function though it can also make a mess of things by creating namespace conflicts. A good middle ground between "use" and "require" is to only 'use' the functions from a namespace that you actually use. for instance: ...
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Performance of FOR vs FOREACH in PHP

...i = 0; $i < count($array); $i++) { That's an expensive loop, since it calls count on every single iteration. So long as you're not doing that, I don't think it really matters... As for the reference making a difference, PHP uses copy-on-write, so if you don't write to the array, there will be ...
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How to map a composite key with JPA and Hibernate?

... To map a composite key, you can use the EmbeddedId or the IdClass annotations. I know this question is not strictly about JPA but the rules defined by the specification also applies. So here they are: 2.1.4 Primary Keys and Entity Identity ... A composite pri...
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How to get Resource Name from Resource id

...: to get string like radio1: getResources().getResourceEntryName(int resid); to get string like com.sample.app:id/radio1: getResources().getResourceName(int resid); In Kotlin Now : val name = v.context.resources.getResourceEntryName(v.id) ...
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How do you get the footer to stay at the bottom of a Web page?

...'s solution .Site-content element plays the same role as spacer. It's just called differently. – Gherman Nov 29 '19 at 15:18 ...
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How to create id with AUTO_INCREMENT on Oracle?

... There is no such thing as "auto_increment" or "identity" columns in Oracle as of Oracle 11g. However, you can model it easily with a sequence and a trigger: Table definition: CREATE TABLE departments ( ID NUMBER(10) NOT NULL, DESCRIPTION VARCHAR2(50) ...
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What is ApplicationException for in .NET?

... reason to derive from this base class is to allow some code higher up the call stack to catch the base class. It was no longer possible to catch all application exceptions. So there you have it. The executive summary is that ApplicationException is not harmful, just useless. ...
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JavaScript - Get Portion of URL Path

...y URL: It turns out that this schema is being standardized as an interface called URLUtils, and guess what? Both the existing window.location object and anchor elements implement the interface. So you can use the same properties above for any URL — just create an anchor with the URL and access th...
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How to open a new window on form submit

...ribute on the <form> tag with the second argument in the window.open call in the onsubmit handler. share | improve this answer | follow | ...