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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... - finding something in your telephone book. Think binary search.
O(n) - reading a book, where n is the number of pages. It is the minimum amount of time it takes to read a book.
O(nlogn) - cant immediately think of something one might do everyday that is nlogn...unless you sort cards by doing me...
When should I use “this” in a class?
...cy, even just internally within a single codebase, goes a long way towards readability and maintainability.
– William Brendel
Feb 26 '16 at 5:06
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Remove data.frame row names when using xtable
OK, I admit this one is a bit uptight (read: "stupid"), and I assume it's quite easy too. I'm writing a report and I want to use xtable package for LaTeX table generation (note that memisc package does the job, but say I want to do this solely with xtable ).
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Xcode 6 Storyboard the wrong size?
...easy to miss text button at the bottom of Interface Builder that initially reads "wAny hAny".
Click the button, and choose Compact Width, Regular Height. This resize your views and cover all iPhone portrait orientations.
Apple's docs here: https://developer.apple.com/library/ios/recipes/xcode_help...
When do you use the Bridge Pattern? How is it different from Adapter pattern?
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John puts it nicely in a blog post. Found it to be a good read for high level overview.
– Vaibhav Bhalla
Jan 17 '19 at 9:17
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How to set Java environment path in Ubuntu
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Already solved here stackoverflow.com/questions/24641536/…
– user1420482
Apr 16 '18 at 2:02
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Why does my application spend 24% of its life doing a null check?
... for instructions. Small, allowing it to be close to the execution engine. Reading bytes from the L1 cache typically takes 2 or 3 CPU cycles. Next up is the L2 cache, bigger and slower. Upscale processors also have an L3 cache, bigger and slower yet. As process technology improves, those buffers tak...
Spring Boot JPA - configuring auto reconnect
... Do you know why this custom code is needed and why Spring won't just read these properties from the properties file? I have several datasource properties in my file and it reads all the rest of them without a problem.
– Uncle Long Hair
Mar 1 '19 at 17:39...
Get a filtered list of files in a directory
...cluded_extensions)]
I prefer this form of list comprehensions because it reads well in English.
I read the fourth line as:
For each fn in os.listdir for my path, give me only the ones that match any one of my included extensions.
It may be hard for novice python programmers to really get used ...
Understanding Spring @Autowired usage
I am reading the spring 3.0.x reference documentation to understand Spring Autowired annotation:
3 Answers
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