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How to 'git pull' into a branch that is not the current one?
When you run git pull on the master branch, it typically pulls from origin/master . I am in a different branch called newbranch , but I need to run a command that does a git pull from origin/master into master but I cannot run git checkout to change the selected branch until after the...
Tab Vs Space preferences in Vim
...reas with expandtab switched off, pressing the Tab key inserts a the smallest possible number of tab+space characters that matches softtabstop . (Please correct me if I'm wrong.)
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Find kth smallest element in a binary search tree in Optimum way
I need to find the kth smallest element in the binary search tree without using any static/global variable. How to achieve it efficiently?
The solution that I have in my mind is doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep do...
Get average color of image via Javascript
...dd img.crossOrigin = ''; before setting the src attribute. Found on: coderwall.com/p/pa-2uw
– mhu
Jan 22 '14 at 22:27
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Checking if a key exists in a JavaScript object?
... testing whether a key exists. What if the key exists but the value is actually undefined?
var obj = { key: undefined };
obj["key"] !== undefined // false, but the key exists!
You should instead use the in operator:
"key" in obj // true, regardless of the actual value
If you want to check if a...
What is the use of hashCode in Java?
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Buckets aside, hashcode is a method that the object calls to determine the order to store each object in memory. If objects are equal, then their hashcode must also be equal. (converse of this statement is false)
– NoName
Jun 24 '17 at 6:1...
How to disallow temporaries
For a class Foo, is there a way to disallow constructing it without giving it a name?
10 Answers
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Why are empty catch blocks a bad idea? [closed]
...-catch , which people (including Jon Skeet) say empty catch blocks are a really bad idea? Why this? Is there no situation where an empty catch is not a wrong design decision?
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Looping over a list in Python
I have a list with sublists in it. I want to print all the sublists with length equal to 3.
4 Answers
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How to “re-run with -deprecation for details” in sbt?
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> compile
> exit
Due to in ThisBuild, set applies the settings to all sub-projects, as well.
Command Line
You could also run the above as a single command on command line.
sbt '; set scalacOptions in ThisBuild ++= Seq("-unchecked", "-deprecation") ; compile'
The trick is to use ; (sem...