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Boolean Field in Oracle
...anted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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SQL - many-to-many table primary key
...at the table sorted, just the index. And the index won't be stored sequentially, it'll be stored in an efficient manner to be able to be retrieved quickly.
In addition, the vast majority of database tables are read far more often than written. That makes anything you do on the select side far more ...
What C++ Smart Pointer Implementations are available?
...g limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacceptable for holding array allocated objects (new[]). It takes ownership of the pointer so two auto pointers shouldn't contain the same object. Assignment will transfer ownership a...
Swing vs JavaFx for desktop applications [closed]
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What will be cleaner and easier to maintain?
All things being equal, probably JavaFX - the API is much more consistent across components. However, this depends much more on how the code is written rather than what library is used to write it.
And what will be faster...
How do I remove all non-ASCII characters with regex and Notepad++?
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Be sure to tick off "Wrap around" if you want to loop in the document for all non-ASCII characters.
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How to return multiple lines JSX in another return statement in React?
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Try to think of the tags as function calls (see docs). Then the first one becomes:
{[1,2,3].map(function (n) {
return React.DOM.p(...);
})}
And the second one:
{[1,2,3].map(function (n) {
return (
React.DOM.h3(...)
React.DOM.p(...)
)
})}
It sh...
How stable is the git plugin for eclipse?
...ses.
As an official Eclipse project I am confident that EGit will receive all the main features of the command-line client.
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...iables will not be set (so you'll need to set them in ~/.bash_profile). Finally, this doesn't seem to work for PATH on El Capitan and Sierra. That needs to be set via 'launchctl config user path ...' and in /etc/paths.
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How do I create and access the global variables in Groovy?
...ipt in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script by either omitting the type definition or in Groovy 1.8 we can add the @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 ...
How to express a NOT IN query with ActiveRecord/Rails?
.... It would still break on nil, but I find that the array you pass in is usually generated by a filter that will return [] at the very least and never nil. I recommend checking out Squeel, a DSL on top of Active Record. Then you could do: Topic.where{id.not_in actions}, nil/empty/or otherwise.
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