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What do 'lazy' and 'greedy' mean in the context of regular expressions?
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Greedy will consume as much as possible. From http://www.regular-expressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means ...
Convert Time from one time zone to another in Rails
My created_at timestamps are stored in UTC:
5 Answers
5
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Parse JSON String into a Particular Object Prototype in JavaScript
...his.a*this.b;};
// IF AN OBJECT WAS PASSED THEN INITIALISE PROPERTIES FROM THAT OBJECT
for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prints 6
// INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT
var fooJSON = new Foo(JSON.parse('...
Can code that is valid in both C and C++ produce different behavior when compiled in each language?
...haracter ('a') in C/C++ for an explanation of the difference.
Another one from this article:
#include <stdio.h>
int sz = 80;
int main(void)
{
struct sz { char c; };
int val = sizeof(sz); // sizeof(int) in C,
// sizeof(struct sz) in C++
prin...
Uploading base64 encoded Image to Amazon S3 via Node.js
... I used with native aws-sdk.
var AWS = require('aws-sdk');
AWS.config.loadFromPath('./s3_config.json');
var s3Bucket = new AWS.S3( { params: {Bucket: 'myBucket'} } );
inside your router method :-
ContentType should be set to the content type of the image file
buf = Buffer.from(req.body.imageBi...
Is there a “null coalescing” operator in JavaScript?
...are considered NOT NULL and therefore count as actual values. If you come from a .net background, this will be the most natural feeling solution.
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Archive the artifacts in Jenkins
...688 No, I'm referring to per-project target folders. If you want artifacts from several jobs into a single shared folder, you will have to publish the artifacts using for example one of the "Publish over $PROTOCOL" plugins.
– Anders Lindahl
Mar 8 '18 at 21:33
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Principal component analysis in Python
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The latest update is from 09.03.2016, but do note that ir is only a bug-fix release: Note that from this release MDP is in maintenance mode. 13 years after its first public release, MDP has reached full maturity and no new features are planned in...
Load image from url
I have an image URL. I want to display an image from this URL in an ImageView but I am unable to do that.
16 Answers
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What is a stack trace, and how can I use it to debug my application errors?
...ot more. What we're mostly concerned about is looking for methods that are from our code, which would be anything in the com.example.myproject package. From the second example (above), we'd first want to look down for the root cause, which is:
Caused by: java.sql.SQLException
However, all the met...