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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

...olution you want then should look like: UserContrl1_LOadDataMethod() { string name = ""; if(textbox1.InvokeRequired) { textbox1.Invoke(new MethodInvoker(delegate { name = textbox1.text; })); } if(name == "MyName") { // do whatever } } Do your serious proc...
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Android list view inside a scroll view

I have an android layout which has a scrollView with a number of elements with in it. At the bottom of the scrollView I have a listView which is then populated by an adapter. ...
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SignalR: Why choose Hub vs. Persistent Connection?

...ver side in the OnReceived method. You'd also have to deserialize the data string there instead of receiving the strongly typed objects as you do with hub methods. There aren't many reasons to choose PersistentConnection over Hubs. One reason I'm aware of is that it is possible to send preserialize...
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Pandas dataframe get first row of each group

I have a pandas DataFrame like following. 5 Answers 5 ...
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When do we need to set ProcessStartInfo.UseShellExecute to True?

...Execute must be false if the UserName property is not null or an empty string, or an InvalidOperationException will be thrown when the Process.Start(ProcessStartInfo) method is called. When you use the operating system shell to start processes, you can start any document (which ...
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Wait until file is unlocked in .NET

...; /// <param name="fullPath"></param> bool WaitForFile(string fullPath) { int numTries = 0; while (true) { ++numTries; try { // Attempt to open the file exclusively. using (FileStream ...
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What is the difference between `sorted(list)` vs `list.sort()`?

...all in-place operations). sorted() works on any iterable, not just lists. Strings, tuples, dictionaries (you'll get the keys), generators, etc., returning a list containing all elements, sorted. Use list.sort() when you want to mutate the list, sorted() when you want a new sorted object back. Use...
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Specify an SSH key for git push for a given domain

...ey. AFAIK, I can't solve this using ~/.ssh/config , because the user name and server name are identical in both cases. As I mostly use my own private key, I have that defined in ~/.ssh/config for git@git.company.com . Does anyone know of a way to override the key that is used for a single git ...
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asp.net mvc put controllers into a separate project

...ow this is done. Subtyping this class and overriding the GetControllerType(string controllerName) method may be enough to accomplish what you're asking. Once you've created your own custom ControllerFactory, you add the following line to Application_Start in global.asax to tell the framework where ...
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MySQL combine two columns into one column

... The SQL standard provides the CONCAT() function to concatenate two strings into a single string. SQLite, however, does not support the CONCAT() function. Instead, it uses the concatenate operator (||) to join two strings into one. – PaulH Oct 28 '19 at ...