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How do I check if an object has a specific property in JavaScript?
...roperty check to typeof this[property] or, even worse, x.key will give you completely misleading results.
It depends on what you're looking for. If you want to know if an object physically contains a property (and it is not coming from somewhere up on the prototype chain) then object.hasOwnProperty...
How do you plot bar charts in gnuplot?
...I recommend Derek Bruening's bar graph generator Perl script. Available at http://www.burningcutlery.com/derek/bargraph/
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test a file upload using rspec - rails
...ing a photo. I set up the uploaded file as an instance of ActionDispatch::Http::UploadedFile, as follows:
test "should create photo" do
setup_file_upload
assert_difference('Photo.count') do
post :create, :photo => @photo.attributes
end
assert_redirected_to photo_path(assigns(:photo)...
Search All Fields In All Tables For A Specific Value (Oracle)
Is it possible to search every field of every table for a particular value in Oracle?
16 Answers
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Python argparse command line flags without arguments
...oking to flip a switch by setting a variable True or False, have a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')
where action='store_true'...
How to select an element by classname using jqLite?
...ry/ajax data without modifying the existing mess so we did the following- $http.get('/Task/GetTaskStatsByTaskId/' + taskId).success(function (data) { angular.element(document.querySelector('#userTasksContainer')).html(data); });
– Kenn
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How do I run Visual Studio as an administrator by default?
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In Windows 8, you have to right-click devenv.exe and select "Troubleshoot compatibility".
Select "Troubleshoot program"
Check "The program requires additional permissions"
click "Next", click "Test the program..."
Wait for the program to launch
Click "Next"
Select "Yes, save these settings for th...
SQL Server Operating system error 5: “5(Access is denied.)”
... For me the solution in the following link worked: stackoverflow.com/a/19061137/365188
– Ozair Kafray
Dec 11 '14 at 9:10
3
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jQuery - selecting elements from inside a element
...
both seem to be working.
see fiddle: http://jsfiddle.net/maniator/PSxkS/
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Adding two Java 8 streams, or an extra element to a stream
I can add streams or extra elements, like this:
8 Answers
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