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Calculate MD5 checksum for a file
I'm using iTextSharp to read the text from a PDF file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a ...
Are there any naming convention guidelines for REST APIs? [closed]
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Just to note, there's nothing stopping you from using REST for non-hierarchical resources. The actual URI naming conventions you use are immaterial, just use whatever you think looks nice and is easy for you to parse on the server. The client shouldn't know anything a...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...oadend = function() {
// get EXIF data
var exif = EXIF.readFromBinaryFile(new BinaryFile(this.result));
// alert a value
alert(exif.Make);
};
fr.readAsBinaryString(file); // read the file
});
...
Initialising mock objects - MockIto
...ner or the MockitoAnnotations.initMocks are strictly equivalent solutions. From the javadoc of the MockitoJUnitRunner :
JUnit 4.5 runner initializes mocks annotated with Mock, so that explicit usage of MockitoAnnotations.initMocks(Object) is not necessary. Mocks are initialized before each test met...
How do I copy an object in Java?
...elf does not implement Cloneable.
copyProperties will Copy property values from the origin bean to the destination bean for all cases where the property names are the same.
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Stripping out non-numeric characters in string
... Nice answer. Might just want to consider renaming the function from 'GetNumbers' to 'GetDigits' as well...to make its intention clear.
– JTech
Aug 24 '15 at 4:09
2
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How do I count the number of occurrences of a char in a String?
...tTokens()-1;
System.out.println("stringTokenizer = " + stringTokenizer);
From comment: Be carefull for the StringTokenizer, for a.b.c.d it will work but for a...b.c....d or ...a.b.c.d or a....b......c.....d... or etc. it will not work. It just will count for . between characters just once
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ReactJS: Modeling Bi-Directional Infinite Scrolling
...not prudent to load them all into the browser, so I am doing async fetches from time to time. For some reason, on occasion when I scroll and position jumps very far (say I go off the screen and back), the ListBody doesn't re-render, even though the state changes. Any ideas why this might be? Great e...
How to escape JSON string?
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For those using the very popular Json.Net project from Newtonsoft the task is trivial:
using Newtonsoft.Json;
....
var s = JsonConvert.ToString(@"a\b");
Console.WriteLine(s);
....
This code prints:
"a\\b"
That is, the resulting string value contains the quotes as well ...
How to pass the value of a variable to the stdin of a command?
...that the first line(s) will be the contents of $var but the rest will come from cat reading its standard input. If the command does not do anything too fancy (try to turn on command line editing, or run like vim does) then it will be fine. Otherwise, you need to get really fancy - I think expect o...