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Provide an image for WhatsApp link sharing
...tter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps or websites use cache or even store the website preview to their database. This means when you'r...
How to read the database table name of a Model instance?
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What is the fastest way to create a checksum for large files in C#
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The problem here is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO.
To speed things up (2 minutes for hashing 2 Gb f...
onchange event on input type=range is not triggering in firefox while dragging
...his.value)" onchange="showVal(this.value)">
Check out this Bugzilla thread for more information.
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Why doesn't 'ref' and 'out' support polymorphism?
...ionships.
Now suppose you have a method void M(ref Mammal m). M can both read and write m.
Can you pass a variable of type Animal to M?
No. That variable could contain a Turtle, but M will assume that it contains only Mammals. A Turtle is not a Mammal.
Conclusion 1: ref parameters cann...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
I've just read on the net about a newly discovered security vulnerability in ASP.NET. You can read the details here.
10 An...
Disabled form inputs do not appear in the request
...navigation.
Disabled controls cannot be successfully posted.
You can use readonly attribute in your case, by doing this you will be able to post your field's data.
I.e.,
<input type="textbox" name="Percentage" value="100" readonly="readonly" />
FYI, per 17.12.2 in the HTML 4 spec:
Read...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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This GDB was configured as "x86_64-linux-gnu".
Attaching to process 5636
Reading symbols from /usr/bin/tail...(no debugging symbols found)...done.
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...(n...
Download file from web in Python 3
...ting a program that will download a .jar (java) file from a web server, by reading the URL that is specified in the .jad file of the same game/application. I'm using Python 3.2.1
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What XML parser should I use in C++? [closed]
... so you need to process XML. Not toy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-lying, easy-to-parse bits. You need Namespaces, DocTypes, entity substitution, the works. The W3C XML Specification, in its entirety.
The next question is: Does yo...