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How to trigger event when a variable's value is changed?

...ever the value of a field is going to change. You can have your own EventHandler delegate or you can use the famous System.EventHandler delegate. Usually there's a pattern for this: Define a public event with an event handler delegate (that has an argument of type EventArgs). Define a protected ...
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How can I convert my Java program to an .exe file? [closed]

... javapackager The Java Packager tool compiles, packages, and prepares Java and JavaFX applications for distribution. The javapackager command is the command-line version. – Oracle's documentation The javapackager utility ships with the JDK. It can generate .exe files with the -n...
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How to create an infinite loop in Windows batch file?

... And from cmd prompt? – theonlygusti Mar 13 '15 at 16:11 13 ...
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How to compile python script to binary executable

...ood starting point. PyInstaller also lets you create executables for linux and mac... Here is how one could fairly easily use PyInstaller to solve the issue at hand: pyinstaller oldlogs.py From the tool's documentation: PyInstaller analyzes myscript.py and: Writes myscript.spec in ...
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Why is there no Char.Empty like String.Empty?

...ld you want a separate field for it? Equally, the "it's easy to confuse "" and " "" arguments don't apply for '\0'. If you could give an example of where you'd want to use it and why you think it would be better, that might help... ...
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How to maintain aspect ratio using HTML IMG tag

...tag of HTML to show a photo in our application. I have set both its height and width attribute to 64. I need to show any image resolution (e.g. 256x256, 1024x768, 500x400, 205x246, etc.) as 64x64. But by setting the height and width attributes of an img tag to 64, it's not maintaining the aspect rat...
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Converting a column within pandas dataframe from int to string

I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str . I've tried to do as follows: ...
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr

When would I use std::istringstream , std::ostringstream and std::stringstream and why shouldn't I just use std::stringstream in every scenario (are there any runtime performance issues?). ...
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Is it possible to disable floating headers in UITableView with UITableViewStylePlain?

...es'. I'm using the headers of the table view to layout certain images etc. and I'd prefer it if they didn't float but stayed static as they do when the style is set to UITableViewStyleGrouped . ...
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jQuery ui dialog change title after load-callback

... So in the callback-function after load i should suggest, but i've tried and googled without result. 5 Answers ...