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How can I pad an integer with zeros on the left?
...l idioms, Concurrency, Strings, Primitives, Ranges, IO, Hashing, EventBus, etc
Ref: GuavaExplained
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Cosine Similarity between 2 Number Lists
...g such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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Performance difference between IIf() and If
...as maintaining legacy code, being stuck with some other tool that uses it, etc. And That's all you need to know, really doesn't sound like a conducive attitude for a website devoted to knowledge sharing ;)
– Don Cheadle
Aug 7 '15 at 21:29
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Vim clear last search highlighting
...ters that hold text, sometimes for yanked data, sometimes for last search, etc. When you do a search, vim puts the pattern in the "/" register, which you reference using @/. You can also assign values to registers using @regname=value where regname is the is the name of the register. So, @/="" is si...
How to get browser width using JavaScript code?
...nerHeight;
var ow = window.outerWidth; //including toolbars and status bar etc.
var oh = window.outerHeight;
Both return integers and don't require jQuery. Cross-browser compatible.
I often find jQuery returns invalid values for width() and height()
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Difference between null and empty (“”) Java String
...u can convert it to lower case, look up the index of some character in it, etc. The null string null is "no string at all." It doesn't have a length because it's not a string at all. Trying to apply any standard string operation to the null string will cause a NullPointerException at runtime.
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How to increment datetime by custom months in python without using library [duplicate]
...t works just like timedelta but for calendar months rather than days/hours/etc.
Here's an example:
from monthdelta import MonthDelta
def prev_month(date):
"""Back one month and preserve day if possible"""
return date + MonthDelta(-1)
Compare that to the DIY approach:
def prev_month(dat...
How to programmatically determine the current checked out Git branch [duplicate]
...
That can be used within $() and passed easily in Bash, Powershell, Perl, etc. It isn't fooled if you have several branches on the commit you are on, and if you currently aren't on a branch, it simply replies with "HEAD".
Alternatively, you can use
git symbolic-ref --short -q HEAD
Which will g...
Convert integer into byte array (Java)
...er what size the input integer is. If you only want 2 bytes, use putShort, etc ...
– bvdb
Jan 26 '15 at 9:07
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Difference between Java Enumeration and Iterator
...that the 'old' collection implementations in java.util (HashSet, ArrayList etc.) exhibit this behaviour. However, the newer 'concurrent' collections will never throw a ConcurrentModificationException, they will traverse the collection as of the time of creation of the iterator. Other implementations...