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Most efficient way to increment a Map value in Java
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Now there is a shorter way with Java 8 using Map::merge.
myMap.merge(key, 1, Integer::sum)
What it does:
if key do not exists, put 1 as value
otherwise sum 1 to the value linked to key
More information here.
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Environment variables for java installation
...te the path of the bin folder in the variable value
Click OK
The path is now set permanently.
TIP: The tool "Rapid Environment Editor" (freeware) is great for modifying the environment variables and useful in that case
TIP2: There is also a faster way to access the Environment Variables: press W...
jQuery slide left and show
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Thank you so much! I didn't know this was part of the jQuery's effects. I would give +2 if I could!
– Wickethewok
Feb 7 '09 at 4:15
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Modifying a query string without reloading the page
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great. so right now.. simply putting a # instead of a & when writing to window.location.href works for me. in that it doesn't reload the page. i am sure it will break once i test it in IE.. at which point i'll go with the library you sug...
What is the cleanest way to get the progress of JQuery ajax request?
... generate some data, and return it back. How can the client side possibly know what is being done in the backend and how much time it will take that it can calculate the progress?
– SexyBeast
Apr 30 '17 at 21:11
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Is there common street addresses database design for all addresses of the world? [closed]
I am a programmer and to be honest don't know street address structures of the world, just how in my country is structured :) so which is the best and common database design for storing street addresses? It should be so simple to use, fast to query and dynamic to store all street addresses of the w...
Find which version of package is installed with pip
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Pip 1.3 now also has a list command:
$ pip list
argparse (1.2.1)
pip (1.5.1)
setuptools (2.1)
wsgiref (0.1.2)
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How to randomly select rows in SQL?
...problem where you are working with a large result set (not the question I know).
Selecting Rows Randomly from a Large Table
http://msdn.microsoft.com/en-us/library/cc441928.aspx
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Creating an instance using the class name and calling constructor
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@Joachim: I know it's varargs, but as it can get tricky when you have an Object[] argument, I prefer to create the array explicitly in this case.
– Jon Skeet
May 23 '11 at 8:32
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What are the sizes used for the iOS application splash screen?
I am developing an application using the iOS SDK. I need to know what Default splash screen sizes I need.
10 Answers
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