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What's the difference between a proc and a lambda in Ruby?
...cept the resulting Proc objects check the number of parameters passed when called.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lam...
How to 'bulk update' with Django?
...at:
This won't use ModelClass.save method (so if you have some logic inside it won't be triggered).
No django signals will be emitted.
You can't perform an .update() on a sliced QuerySet, it must be on an original QuerySet so you'll need to lean on the .filter() and .exclude() methods.
...
Maven: How to include jars, which are not available in reps into a J2EE project?
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As you've said you don't want to set up your own repository, perhaps this will help.
You can use the install-file goal of the maven-install-plugin to install a file to the local repository. If you create a script with a Maven invocation...
Cleanest and most Pythonic way to get tomorrow's date?
...from now)). I don't see how leap seconds can change the result here unless called during a leap second on systems where 23:59:60 and 00:00:00 have the same timestamp.
– jfs
Sep 4 '14 at 21:46
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Remove non-ascii character in string
...xxx} but also the flag 'u' must present; note the regex has flags 'gu'.
I called this a "positive assertion of removal" in the sense that a "positive" assertion expresses which characters to remove, while a "negative" assertion expresses which letters to not remove. In many contexts, the negative ...
Including dependencies in a jar with Maven
... <!-- any other plugins -->
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
...
Insert Data Into Temp Table with Query
...as t to the end.
Select * into #result from (SELECT * FROM #temp where [id] = @id) as t //<-- as t
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Iterating through a JSON object
...rate over something else, you'll have to iterate over something else. You didn't say what you wanted to iterate over. A Python tutorial would be a good place to find out what you can iterate over, and what it would do.
– Thomas Wouters
Apr 28 '10 at 23:42
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What is Castle Windsor, and why should I care?
... WorkflowStepper, you just passed it into the constructor?
So then whoever called it had to new up the EmailSender.
new WorkflowStepper(emailSender).Step()
Imagine you have hundreds of these little classes that only have one responsibility (google SRP).. and you use a few of them in WorkflowStepper:...
Input type=password, don't let browser remember the password
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As regards validation, HTML5 adds the autocomplete attribute to the spec so it is fine now
– VictorySaber
Feb 28 '14 at 17:18
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