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C# List of objects, how do I get the sum of a property
...ist of objects. One property of the individual object entry is amount. How do I get the sum of amount?
4 Answers
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How can we match a^n b^n with Java regex?
... for its conciseness. The final test once the pattern is finalized will be done in Java.
Step 1: Lookahead for assertion
Let's start with a simpler problem: we want to match a+ at the beginning of a string, but only if it's followed immediately by b+. We can use ^ to anchor our match, and since we ...
How do I get my Python program to sleep for 50 milliseconds?
How do I get my Python program to sleep for 50 milliseconds?
6 Answers
6
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How to check if running in Cygwin, Mac or Linux?
I have a shell script that is used both on Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
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Django - How to rename a model field using South?
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If you manually do this db.rename_column you may have to do a fake schemamigration afterwards to clean things back up. That is first migrate the change with renaming the columns. Then fix the model (to have the updated name), and then do ....
How to pass argument to Makefile from command line?
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You probably shouldn't do this; you're breaking the basic pattern of how Make works. But here it is:
action:
@echo action $(filter-out $@,$(MAKECMDGOALS))
%: # thanks to chakrit
@: # thanks to William Pursell
EDIT:
To explai...
How do I build a graphical user interface in C++? [closed]
... interface and the only other language I have experience with is PHP which doesn't support GUIs.
8 Answers
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How do I POST urlencoded form data with $http without jQuery?
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I think you need to do is to transform your data from object not to JSON string, but to url params.
From Ben Nadel's blog.
By default, the $http service will transform the outgoing request by
serializing the data as JSON and then posting it wit...
How do I restart a service on a remote machine in Windows? [closed]
...ebugging, I need to restart a service on a remote machine. Currently, I'm doing this via Remote Desktop. How can it be done from the command line on my local machine?
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How to get a specific output iterating a hash in Ruby?
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hash.each do |key, array|
puts "#{key}-----"
puts array
end
Regarding order I should add, that in 1.8 the items will be iterated in random order (well, actually in an order defined by Fixnum's hashing function), while in 1.9 it w...