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Open file dialog and select a file using WPF controls and C#

I have a TextBox named textbox1 and a Button named button1 . When I click on button1 I want to browse my files to search only for image files (type jpg, png, bmp...). And when I select an image file and click Ok in the file dialog I want the file directory to be written in the textbox1.tex...
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Generating a random password in php

I am trying to generate a random password in php. 22 Answers 22 ...
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How do I get SUM function in MySQL to return '0' if no values are found?

...nformation: Given three tables (one with all numbers, one with all nulls, and one with a mixture): SQL Fiddle MySQL 5.5.32 Schema Setup: CREATE TABLE foo ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT ); INSERT INTO foo (val) VALUES (null),(1),(null),(2),(null),(3),(null),(4),(n...
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How to compare 2 files fast using .NET?

Typical approaches recommend reading the binary via FileStream and comparing it byte-by-byte. 18 Answers ...
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How to print to console in pytest?

... By default, py.test captures the result of standard out so that it can control how it prints it out. If it didn't do this, it would spew out a lot of text without the context of what test printed that text. However, if a test fails, it will include a section in the res...
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Changing the resolution of a VNC session in linux [closed]

...eas if I set it to run at 1600x1200 it doesn't fit on the laptop's screen, and I have to scroll it all the time. 15 Answers...
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Entity Framework - Start Over - Undo/Rollback All Migrations

...r, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one? ...
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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...
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Proper URL forming with Query String and Anchor Hashtag

When both a query string and anchor tag (hash tag) are visible in a URL, what is the proper order for them to appear? 4 Ans...
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background:none vs background:transparent what is the difference?

...fy a value for any of the half-dozen properties that background is a shorthand for, then it is set to its default value. none and transparent are the defaults. One explicitly sets the background-image to none and implicitly sets the background-color to transparent. The other is the other way around...