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Logging best practices [closed]
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Update: For extensions to System.Diagnostics, providing some of the missing listeners you might want, see Essential.Diagnostics on CodePlex (http://essentialdiagnostics.codeplex.com/)
Frameworks
Q: What frameworks do you use?
A: System.Diagnostics.TraceSource, built in ...
How to determine the first and last iteration in a foreach loop?
...fer a solution that does not require the initialization of the counter outside the loop, I propose comparing the current iteration key against the function that tells you the last / first key of the array.
This becomes somewhat more efficient (and more readable) with the upcoming PHP 7.3.
Solution...
Explicit vs implicit SQL joins
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Can you provide supporting documentation? This sounds wrong on multiple levels.
– NotMe
May 20 '09 at 14:28
21
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This Row already belongs to another table error when trying to add rows?
...ill be added or exception thrown.
var drFail = dt.NewRow()
drFail["CustomerID"] = "[Your data here]";
// dt.Rows.Add(row); // Uncomment for import to succeed.
myTable.ImportRow(drFail);
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imp...
Get the current fragment object
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Now at some point of time I need to identify which object is currently there
Call findFragmentById() on FragmentManager and determine which fragment is in your R.id.frameTitle container.
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Check if a subview is in a view
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You will end up with a code like :
Objective-C
- (IBAction)showPopup:(id)sender {
if(![self.myView isDescendantOfView:self.view]) {
[self.view addSubview:self.myView];
} else {
[self.myView removeFromSuperview];
}
}
Swift 3
@IBAction func showPopup(sender: AnyObj...
ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
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Change Image of ImageView programmatically in Android
... @Brave's answer is correct. Using setBackgroundResource() :( did not remove the existing image before using the new image.. so I got two images colliding there. setImageResource() worked tho :). Still .. the post got me on the right track - my thanks for both answers!
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...set the content for the activity, you should be using setContentView(layoutId). If you're trying to add a new view to an existing ViewGroup, you should probably just pass the parent and let the inflater attach the new view.
– Coeffect
Oct 21 '14 at 17:20
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Repeat command automatically in Linux
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watch also has the unfortunate side effect of clearing the screen, so sometimes the loop is useful. Which to use depends on the desired format of the output.
– William Pursell
Nov 27 '12 at 21:53
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