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How can I use Async with ForEach?

...ext db = new DataLayer.DataContext()) { var tasks = db.Groups.ToList().Select(i => GetAdminsFromGroupAsync(i.Gid)); var results = await Task.WhenAll(tasks); } The benefits of this approach over giving an async delegate to ForEach are: Error handling is more proper. Exceptions from asy...
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Markdown to create pages and table of contents?

...nd to generate the TOC, open the command palette (Control/⌘+Shift+P) and select the Select Markdown: Create Table of Contentsoption. Another option is the Markdown TOC plugin. To install it, launch the VS Code Quick Open (Control/⌘+P), paste the following command, and press enter. ext install m...
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mysql - how many columns is too many?

...every column to be returned by every query is perfectly normal; that's why SELECT statement lets you explicitly name the columns you need. As a general rule, your table structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entit...
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Dismiss keyboard by touching background of UITableView

...reRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard)]; [self.tableView addGestureRecognizer:gestureRecognizer]; And the hideKeyboard method might look like this: - (void) hideKeyboard { [textField1 resignFirstResponder]; [textField2 resignFirst...
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Maven: Failed to read artifact descriptor

... Had the same issue with IntelliJ IDEA and following worked. Go to File Select Settings Select Build, Execution, Deployments Select Build Tools from drop down Select Maven from drop down Tick the Always update snapshots check box ...
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Faster s3 bucket duplication

... If you don't mind using the AWS console, you can: Select all of the files/folders in the first bucket Click Actions > Copy Create a new bucket and select it Click Actions > Paste It's still fairly slow, but you can leave it alone and let it do its thing. ...
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How to run a method every X seconds

... Spot on! Using for checking MainActivitys current selected tab in TabLayout matches this fragment and if not stop work - as onPause() fails when any TabLayout selected tabs either side of this selected tab – BENN1TH Oct 20 '18 at 7:29 ...
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Can I change the color of auto detected links on UITextView?

...e UITextView. It affects the link color as well as the cursor line and the selected text color. iOS 7 also added a new property to UITextView called linkTextAttributes which would appear to let you fully control the link style. ...
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Embed git commit hash in a .Net dll

...the steps: Use a Build Event to call git Right-click on the project and select Properties In Build Events, add Pre-Build event containing (notice the quotes): "C:\Program Files\Git\bin\git.exe" describe --long > "$(ProjectDir)\version.txt" That will create a version.txt file in your project...
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What is the Scala identifier “implicitly”?

...oot Implicit Views An Implicit View can be triggered when the prefix of a selection (consider for example, the.prefix.selection(args) does not contain a member selection that is applicable to args (even after trying to convert args with Implicit Views). In this case, the compiler looks for implicit...