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Check if Python Package is installed
... This doesn't only check; it also imports it; see also stackoverflow.com/questions/14050281/…
– Jorge Leitao
Nov 15 '14 at 8:49
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How to put multiple statements in one line?
... want is not possible with Python (which makes Python close to useless for command-line one-liner programs). Even explicit use of parentheses does not avoid the syntax exception. You can get away with a sequence of simple statements, separated by semi-colon:
for i in range(10): print "foo"; print "...
How do you share constants in NodeJS modules?
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If the entire software development community thought this way, we'd still be using punchards. Fortunately there are a few mavericks out there who know when it's better to break the insane rules we impose on ourselves. If encapsulation is useful, use it. If it'...
What is the best way to give a C# auto-property an initial value?
...lue. (Even if in designed object, initial value is the default value).
At compile time DefaultValueAttribute will not impact the generated IL and it will not be read to initialize the property to that value (see DefaultValue attribute is not working with my Auto Property).
Example of attributes th...
PHP append one array to another (not array_push or +)
How to append one array to another without comparing their keys?
12 Answers
12
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EF Code First “Invalid column name 'Discriminator'” but no inheritance
... If you don't find [NotMapped] please add a reference to: "System.ComponentModel.DataAnnotations" to the project from "Assembly Framework".
– XandrUu
Jan 23 '14 at 16:32
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how does Array.prototype.slice.call() work?
...ay? Because when you do:
object.method();
...the object automatically becomes the value of this in the method(). So with:
[1,2,3].slice()
...the [1,2,3] Array is set as the value of this in .slice().
But what if you could substitute something else as the this value? As long as whatever you ...
How do you stash an untracked file?
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@Kelvin what I meant in my comment was that it doesn't stash new files unless they have been staged however it does stash existing files even if they haven't been staged. Seems inconsistent to me.
– Alan Christensen
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
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How to use ConcurrentLinkedQueue?
...e instance (queue), so you can synchronize on queue to ensure atomicity of composite operations (as explained by Jared). You CANNOT do this with a ConcurrentLinkedQueue, as all operations are done WITHOUT locking on the instance (using java.util.concurrent.atomic variables). You will NOT need to do ...