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Java String to SHA1
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UPDATE
You can use Apache Commons Codec (version 1.7+) to do this job for you.
DigestUtils.sha1Hex(stringToConvertToSHexRepresentation)
Thanks to @Jon Onstott for this suggestion.
Old Answer
Convert your Byte Array to Hex String. Real's How To tells you how.
return byteArrayToHexString(md...
How to create PDFs in an Android app? [closed]
...s to generate PDFs on Android device, here is how to do it:
http://sourceforge.net/projects/itext/ (library)
http://www.vogella.de/articles/JavaPDF/article.html (tutorial)
http://tutorials.jenkov.com/java-itext/image.html (images tutorial)
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Setting Curl's Timeout in PHP
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curl_setopt($ch, CURLOPT_TIMEOUT, 400); //timeout in seconds
also don't forget to enlarge time execution of php script self:
set_time_limit(0);// to infinity for example
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Set transparent background using ImageMagick and commandline prompt
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I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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How to use HttpWebRequest (.NET) asynchronously?
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BeginGetResponse is not that useful for async usage. It seems to block while trying to contact the resource. Try unplugging your network cable or giving it a malformed uri, and then running this code. Instead you probably need to run GetResponse on a second ...
Why does i = i + i give me 0?
... "wraps around" to negative numbers, once it reaches zero it stays at zero forever
– Richard Tingle
Jun 11 '14 at 22:17
52
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How do I run NUnit in debug mode from Visual Studio?
I've recently been building a test framework for a bit of C# I've been working on. I have NUnit set up and a new project within my workspace to test the component. All works well if I load up my unit tests from Nunit (v2.4), but I've got to the point where it would be really useful to run in debug m...
Format string, integer with leading zeros
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Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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How to read a line from the console in C?
..., len = lenmax;
int c;
if(line == NULL)
return NULL;
for(;;) {
c = fgetc(stdin);
if(c == EOF)
break;
if(--len == 0) {
len = lenmax;
char * linen = realloc(linep, lenmax *= 2);
if(linen == NULL) {
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Download JSON object as a file from browser
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This is how I solved it for my application:
HTML:
<a id="downloadAnchorElem" style="display:none"></a>
JS (pure JS, not jQuery here):
var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(storageObj));
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