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Reading large text files with streams in C#
...er-IO-operation cost to access them. Buffered streams read more than just what the StreamReader requests, reducing the number of calls to the OS and ultimately the number of separate IO requests.
– Eric J.
Mar 15 '13 at 13:04
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Rotating a two-dimensional array in Python
...ich is a original rotated clockwise
Hopefully the comments make it clear what zip does, it will group elements from each input iterable based on index, or in other words it groups the columns.
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Is there a Null OutputStream in Java?
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Since Java 11, there is a static utility that does exactly what you need, a static factory method OutputStream.nullOutputStream():
Returns a new OutputStream which discards all bytes. The returned stream is initially open. The stream is closed by calling the close() method. Subse...
Python string.replace regular expression [duplicate]
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re.sub is definitely what you are looking for. And so you know, you don't need the anchors and the wildcards.
re.sub(r"(?i)interfaceOpDataFile", "interfaceOpDataFile %s" % filein, line)
will do the same thing--matching the first substring tha...
How to make a JSONP request from Javascript without JQuery?
... don't think that's doable with JSONP. It's a hack from the pre-CORS days. What do you need to set headers for? The server specifically needs to accept JSONP requests so it should be set up to serve in a sane manner.
– Matt Ball
Aug 14 '16 at 21:54
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Standard concise way to copy a file in Java?
...pers of Java could learn a thing or two from operating systems, looking at what services they provide, to make it EASIER for newbies to migrate over.
– Rick Hodgin
Oct 18 '11 at 22:30
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Best way to check if a Data Table has a null value in it
what is the best way to check if a Data Table has a null value in it ?
6 Answers
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Android buildscript repositories: jcenter VS mavencentral
...and I don't have a definitive answer but figured it might be worth sharing what (little) I'd learned. I found mention of the move from Maven Central to JCenter within one issue on Google Code, but didn't spot details about exactly when this happened - couldn't find mention in the recent changes lis...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...reate an application: Create an application on the Twitter developer site
What? You thought you could make unauthenticated requests? Not with Twitter's v1.1 API.
You need to visit http://dev.twitter.com/apps and click the "Create Application" button.
On this page, fill in whatever details you want...
Python loop counter in a for loop [duplicate]
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gs, what if you only need to get the element every once in a while, but you need the index every time? It seems like in those situations this could be beneficial because you aren't creating a new variable each time.
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