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Why are Python lambdas useful? [closed]
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@AaronMcMillin You are missing my point. Just because you can't define every function with a lambda expression doesn't mean the result of a lambda expression isn't a function.
– chepner
Jun 8 '18 at 13:32
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How to report an error from a SQL Server user-defined function
...his alone doesn't work because nothing is returned - not even null, and in my case I wanted to throw an error when nothing was found. I didn't want to break down the inline function into a multi-statment one for obvious performance reasons. Instead I used your solution plus ISNULL and MAX. The RE...
Define global variable in a JavaScript function
...on around this particular naming convention.
UPDATE2: It seems that since my answer has been posted the naming convention has gotten more formal. People who teach, write books etc. speak about var declaration, and function declaration.
UPDATE3: Here is the additional wikipedia post that supports m...
Removing Java 8 JDK from Mac
...nightmare. I recently switched over to using JDK 1.7, deleting JDK 6 from my MacBook entirely (I also had traces of JDK 5 - this laptop has been updated a few times).
Here's what I did to move to JDK 7.
1) download the latest from Oracle (http://www.oracle.com/technetwork/java/javase/downloads/in...
How to get the ThreadPoolExecutor to increase threads to max before queueing?
...to be processed by the first available thread in FIFO order.
Although in my example code above, the queue is unbounded, you could also define it as a bounded queue. For example, if you add a capacity of 1000 to the LinkedBlockingQueue then it will:
scale the threads up to max
then queue up unt...
SQL “select where not in subquery” returns no results
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Update:
These articles in my blog describe the differences between the methods in more detail:
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: PostgreSQL
NOT IN vs. NOT EXISTS vs. LEFT JOIN / ...
sed edit file in place
...aming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a different way?
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Android Studio: Add jar as library?
...I finally cracked it – here are the steps I took:
Put the Gson jar (in my case, gson-2.2.4.jar) into the libs folder
Right click it and hit 'Add as library'
Ensure that compile files('libs/gson-2.2.4.jar') is in your build.gradle file (or compile fileTree(dir: 'libs', include: '*.jar') if you ar...
How do you test that a Python function throws an exception?
... TestCase.failUnlessRaises) from the unittest module, for example:
import mymod
class MyTestCase(unittest.TestCase):
def test1(self):
self.assertRaises(SomeCoolException, mymod.myfunc)
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Backbone.js get and set nested object attribute
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While this.model.get("obj1").myAttribute1 is fine, it's a bit problematic because then you might be tempted to do the same type of thing for set, i.e.
this.model.get("obj1").myAttribute1 = true;
But if you do this, you won't get the benefits of Backbo...