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What does it mean by select 1 from table?
... "Column is invalid in select because it is not contained in the GROUP BY" etc.
Therefore, a literal value must be used (because SQL doesn't allow a resultset with zero columns -- why?!) and the literal value 1 (INTEGER) is commonly used: if the HAVING clause evaluates TRUE then the resultset will...
Removing duplicate rows in Notepad++
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If you don't care about row order (which I don't think you do), then you can use a Linux/FreeBSD/Mac OS X/Cygwin box and do:
$ cat yourfile | sort | uniq > yourfile_nodups
Then open the file again in Notepad++.
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Go to back directory browsing after opening file in vim
... look forward to "go back" from nested navigations (jumped to another file etc.).
– Tomasz Gandor
Jan 8 '19 at 21:21
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Your content must have a ListView whose id attribute is 'android.R.id.list'
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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if (key in object) or if(object.hasOwnProperty(key)
...meMap.hasOwnProperty(key)) {
// Do something
}
}
We are doing so in order to avoid iterating over inherited properties.
If you intend to create a simple object that will only be used as a "map" (i.e. key - value pairs) you can do so like that:
const newMap = Object.create(null);
// Now, new...
How do you run a single test/spec file in RSpec?
...ou're using Rails you'll probably want to execute your specs using Rake in order to ensure you are starting from a blank database.
– superluminary
Oct 2 '13 at 11:54
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Is there an ExecutorService that uses the current thread?
...PoolSize constructor parameter (i.e. maximumPoolSize can't be <=0).
In order to circumvent that, I did the following:
private static ExecutorService currentThreadExecutorService() {
CallerRunsPolicy callerRunsPolicy = new ThreadPoolExecutor.CallerRunsPolicy();
return new ThreadPoolExecu...
Reasons for using the set.seed function
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Should Github be used as a CDN for javascript libraries? [closed]
...'s actual MIME type. In IE9 (and perhaps other browsers/proxies/firewalls/etc), JavaScript files that aren't served with the correct content-type are blocked by default. You can see that in action on the BlockUI demo page, for example:
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Practicing BDD with python [closed]
...udibrio
And PyCukes is the main tool for BDD. It will run the Scenarios, etc. Again,
pip install pycukes
For more info please read the tools documentation at PyPi.
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