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What are the key differences between Scala and Groovy? [closed]
...s Scala uses both Lists and primitive arrays. Groovy has (I think) better string interpolation.
Scala is faster, it seems, but the Groovy folks are really pushing performance for the 2.0 release. 1.6 gave a huge leap in speed over the 1.5 series.
I don't think that either language will really 'w...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...p);
C#读写文件：
using System.IO;
private void ReadWriteFunc(string str)
{
// 写文件
using (StreamWriter sw = new StreamWriter(@"test.txt"))
{
sw.WriteLine("file content...");
sw.Flush();
sw.Close();
}
// 读文件...
How to make all Objects in AWS S3 bucket public by default?
...y to upload a file to my bucket. I have set the ACL to public-read-write and it works fine but the file is still private.
...
Remove duplicate values from JS array [duplicate]
...linear time, but has at least two drawbacks:
since hash keys can only be strings or symbols in JavaScript, this code doesn't distinguish numbers and "numeric strings". That is, uniq([1,"1"]) will return just [1]
for the same reason, all objects will be considered equal: uniq([{foo:1},{foo:2}]) wil...
How to store a dataframe using Pandas
... @geekazoid In case the data needs to be transformed after loading (i.e. string/object to datetime64) this would need to be done again after loading a saved csv, resulting in performance loss. pickle saves the dataframe in it's current state thus the data and its format is preserved. This can lead...
file_put_contents - failed to open stream: Permission denied
...77 database (from the directory that contains the database folder)
apache and nobody will have access to this directory if it is chmodd'ed correctly.
The other thing to do is echo "getcwd()". This will show you the current directory, and if this isn't '/something.../database/' then you'll need to ...
Image resizing client-side with JavaScript before upload to the server
...an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
...ks to As Zammel AlaaEddine for pointing this out).
JsonManagedReference and JsonBackReference
Since Jackson 1.6 you can use two annotations to solve the infinite recursion problem without ignoring the getters/setters during serialization: @JsonManagedReference and @JsonBackReference.
Explanatio...
Does IMDB provide an API? [closed]
...
The IMDb has a public API that, although undocumented, is fast and reliable (used on the official website through AJAX).
Search Suggestions API
https://sg.media-imdb.com/suggests/a/aa.json
https://v2.sg.media-imdb.com/suggests/h/hello.json (alternate)
Format: JSON-P
Caveat: It's in JS...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...