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What is the tilde (~) in the enum definition?

...he UI [] Cash [] Check [] CreditCard and sum their values, and the user selects them all, you would see All in the resulting enum. share | improve this answer | follow ...
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nullable object must have a value

... When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
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Filtering Pandas DataFrames on dates

...ils here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection If the column is not the index you have two choices: Make it the index (either temporarily or permanently if it's time-series data) df[(df['date'] > '2013-01-01') & (df['date'] < '2013-02-01')] See he...
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How to write WinForms code that auto-scales to system font and dpi settings?

...ind its .exe file, right-click to edit properties, and under Compatibility select "Override high DPI scaling behavior. Scaling performed by: System". Be sure you never set the Font at the container level... only on the leaf controls OR in the constructor of your most base Form if you want an applica...
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How to get the entire document HTML as a string?

...l the OP actually asks for "the entire HTML within the html tags". And the selected best answer by Colin Burnett does achieve this. This particular answer (Erik's) will include the html tags and the doctype. That said, this was totally a diamond in the rough for me and exactly what I was looking fo...
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stdlib and colored output in C

...Color_end) foo() { LOG_RED("This is in Red Color"); } Like wise you can select different color codes and make this more generic. share | improve this answer | follow ...
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How can I save application settings in a Windows Forms application?

...gs. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist. Use the Settings tab to create application settings. Visual Studio creates the files Settings.settings and Settings.Designer.settings that contain...
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Check if UIColor is dark or bright?

I need to determine whether a selected UIColor (picked by the user) is dark or bright, so I can change the color of a line of text that sits on top of that color, for better readability. ...
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How to get the CPU Usage in C#?

...de to do it: private void button1_Click(object sender, EventArgs e) { selectedServer = "JS000943"; listBox1.Items.Add(GetProcessorIdleTime(selectedServer).ToString()); } private static int GetProcessorIdleTime(string selectedServer) { try { var searcher = new Man...
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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?

... You really don't need the array index if you are only selecting one element. But I guess if you want to be explicit. haha – Rizowski Apr 22 '15 at 18:46 6 ...