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Oracle TNS names not showing when adding new connection to SQL Developer
...tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME
To see which one SQL Developer is using, issue the command show ...
Extract hostname name from string
...uld be considered the root domain (i.e. www.食狮.公司.cn, b.c.kobe.jp, etc.). Read more about it here.
Try:
npm install --save psl
Then with my "extractHostname" implementation run:
let psl = require('psl');
let url = 'http://www.youtube.com/watch?v=ClkQA2Lb_iE';
psl.get(extractHostname(url...
Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
...an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate entity and is more conveniently stored as a dictionary/array than separate attributes/fields). Thank you.
...
Fundamental difference between Hashing and Encryption algorithms
...'t work as well in practice because of re-encoding, changing file headers, etc, but it's an example use-case).
Use a hash function when you're checking validity of input data. That's what they are designed for. If you have 2 pieces of input, and want to check to see if they are the same, run both...
Calling a JavaScript function named in a variable [duplicate]
...ction exists on the page by having been loaded in and placed using $.ajax, etc.
4 Answers
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Named routes _path vs _url
...
As the other answers explain, you should use _url in email links, etc.
But I would like to add that you should also use _url in redirects, as explained here:
https://www.ruby-forum.com/topic/101346#221052
and, here:
http://viget.com/extend/rails-named-routes-path-vs-url
You can also t...
Is an anchor tag without the href attribute safe?
...tion was dropped (e.g. mobile signal on a moving train), JS is turned off, etc, etc).
Make use of progressive enhancement by unobtrusive JS.
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How do I get the user agent with Flask?
... created based on the useragent string:
platform (windows, linux, macos, etc.)
browser (chrome, firefox, msie, etc.)
version
language
string (== request.headers.get('User-Agent'))
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Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
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Why is Linux called a monolithic kernel?
...c kernel is a kernel where all services (file system, VFS, device drivers, etc) as well as core functionality (scheduling, memory allocation, etc.) are a tight knit group sharing the same space. This directly opposes a microkernel.
A microkernel prefers an approach where core functionality is isola...