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Android Studio Project Structure (v.s. Eclipse Project Structure)
...This makes it difficult to follow tutorials designed for Eclipse. Could anyone let me know why these differences exist? Should they exist?
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What is an NP-complete in computer science?
...s reducible to x
So, what makes NP-Complete so interesting is that if any one of the NP-Complete problems was to be solved quickly, then all NP problems can be solved quickly.
See also the post What's "P=NP?", and why is it such a famous question?
What is NP-Hard?
NP-Hard are problems that are at l...
How do I implement onchange of with jQuery?
...red a onchange on a hidden input is: <input type='text' style='display:none' /> (with css)..
– NickGreen
Aug 11 '11 at 7:19
307
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How do I update/upsert a document in Mongoose?
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Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify).
The upsert = true option creates the object if it doesn't exist. defaults to false.
var query = {'username': req.user.username};
req.newData.username = req.user.username;
MyMode...
Hexadecimal To Decimal in Shell Script
Can someone help me to convert a hexadecimal number to decimal number in a shell script?
6 Answers
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Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3
...ode works nor how to correctly specify the setting. What I want to show is one grid, which is consisted of length 5, and the other length 5, and finally one length 2 grid.
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Can I do a partial revert in GIT
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You can revert the commit without creating a new one by adding the '--no-commit' option. This leaves all the reverted files in the staging area. From there, I'd perform a soft reset and add in the changes I really wanted. For an example workflow:
git revert <sha-of-bad-...
How to install a node.js module without using npm?
...npm install <pkg>@<version range>
Can specify one or more: npm install ./foo.tgz bar@stable /some/folder
If no argument is supplied and ./npm-shrinkwrap.json is
present, installs dependencies specified in the shrinkwrap.
O...
Compiling/Executing a C# Source File in Command Prompt
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/t:exe /out:MyApplication.exe MyApplication.cs ...
(all on one line)
If you have more than one source module to be compiled, you can put it on that same command line. If you have other assemblies to reference, use /r:AssemblyName.dll .
Ensure you have a static Main() method defin...
How to convert an ArrayList containing Integers to primitive int array?
... (identity function), unboxing the int value hold by each Integer object (done automatically since Java 5)
getting the array of int by calling toArray
You could also explicitly call intValue via a method reference, i.e:
int[] arr = list.stream().mapToInt(Integer::intValue).toArray();
It's also ...