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How do you test functions and closures for equality?
... of a function to the one the
function type expects.
https://devforums.apple.com/message/1035180#1035180
This means that you should not even try to compare closures for equality because optimizations may affect the outcome.
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How to update SQLAlchemy row entry?
...e, you can get SQLAlchemy to be smarter about incrementing, getting it to happen on the database side instead of the Python side. Doing it within the database is better since it's less vulnerable to data corruption (e.g. two clients attempt to increment at the same time with a net result of only on...
Simple argparse example wanted: 1 argument, 3 results
... argument like this: parser.add_argument('install', help='Install the app') (Notice you can't define a positional argument with required=True)
– Diego Navarro
Sep 20 '11 at 6:54
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When to use Vanilla JavaScript vs. jQuery?
...ice... so mostly it revolves around the this keyword uneccessarily being wrapped into a jQuery object.
– jondavidjohn
Jan 10 '11 at 22:51
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How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...ce the value: field, valueUpdate: 'input change' that I had all through my app... :) thanks.
– Tod Thomson
Nov 7 '14 at 1:44
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Generating a drop down list of timezones with PHP
... just can't figure out where I'm falling short. Any thoughts would be much appreciated!
– DaveyJake
May 3 '16 at 23:18
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Embed git commit hash in a .Net dll
I'm building a C# application, using Git as my version control.
14 Answers
14
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...e accessible". Just because you wrote $foo = 'bar'; once somewhere in your application doesn't mean you can refer to $foo from everywhere else inside the application. The variable $foo has a certain scope within which it is valid and only code in the same scope has access to the variable.
How is a ...
Differences between Oracle JDK and OpenJDK
...es which are proprietory for speeding up rendering..(Who ever doing server apps, might be irrelevant for them) Oracle JDK has Applet plugin (Same reason above works) Oracle JDK bugfix/hotfix would be distributed and handle properly by Oracle where As OpenJDK it is little technical to ensure all ...
Array.Copy vs Buffer.BlockCopy
... upon passing the native 32-bit width. Thus I assume the same effect would apply to long buffers as well.
For buffer sizes exceeding ~100, explicit loop copying quickly becomes much slower than the other 2 methods (with the one particular exception just noted). The difference is most noticeable wit...