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Can I set subject/content of email using mailto:?

... Yes, look all tips and tricks with mailto: http://www.angelfire.com/dc/html-webmaster/mailto.htm mailto subject example: <a href="mailto:no-one@snai1mai1.com?subject=free chocolate">example</a> mailto with content: ...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

Should I test if something is valid or just try to do it and catch the exception? 8 Answers ...
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How to Animate Addition or Removal of Android ListView Rows

In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a li...
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Write to .txt file?

...this to the file"; fprintf(f, "Some text: %s\n", text); /* print integers and floats */ int i = 1; float py = 3.1415927; fprintf(f, "Integer: %d, float: %f\n", i, py); /* printing single chatacters */ char c = 'A'; fprintf(f, "A character: %c\n", c); fclose(f); ...
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How to add extra namespaces to Razor pages instead of @using declaration?

... namespaces for views) Not Found This has changed between MVC 3 Preview 1 and MVC 3 Beta (released just today). In Preview 1 Razor used the WebForms namespaces config section. However in the Beta there is a new config section that is seperate from the WebForms one. You will need to add the follwing...
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Mediator Vs Observer Object-Oriented Design Patterns

...ave been reading the Gang Of Four , in order to solve some of my problems and came across the Mediator pattern. 8 Answer...
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to

...coding. Which one you have to figure out yourself. Common ones are Latin-1 and UTF-8. Since 0x90 doesn't actually mean anything in Latin-1, UTF-8 (where 0x90 is a continuation byte) is more likely. You specify the encoding when you open the file: file = open(filename, encoding="utf8") ...
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What is the difference between sites-enabled and sites-available directory?

What is use of these two directories in apache2 and how can we do it? 3 Answers 3 ...
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Unique fields that allow nulls in Django

...trings are equal to empty strings for uniqueness checks, under both Django and database rules. You can force the admin interface to store NULL for an empty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None: class FooForm(forms....
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Add a common Legend for combined ggplots

...e looked through a lot of forum posts, but everything I try seem to be commands that are now updated and named something else. ...