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Using DISTINCT and COUNT together in a MySQL Query
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use
SELECT COUNT(DISTINCT productId) from table_name WHERE keyword='$keyword'
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IOS: create a UIImage or UIImageView with rounded corners
...iew with rounded corners? Because I want take an UIImage and show it inside an UIImageView , but I don't know how to do it.
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How can a windows service programmatically restart itself?
...rget the name of it). Then, anytime you want the service to restart, just call Environment.Exit(1) (or any non-zero return) and the OS will restart it for you.
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Inspecting standard container (std::map) contents with gdb
...std::map with 2 elements = {[1] = 2, [2] = 4}
If it doesn't work automatically for you see the first bullet point on the STL Support page of the GDB wiki.
You can write Python pretty printers for your own types too, see Pretty Printing in the GDB manual.
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Detecting WPF Validation Errors
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Just wondering, how do you call the IsValid function? I see you have set up a CanExecute which I would guess is related to the Save button's command. Will this work if I'm not using commands? And how is the button related to the other controls which...
Date only from TextBoxFor()
...n line with this solution, but also have it launch the datepicker like it did with Html.TextboxFor()
– Aaron
Feb 17 '11 at 0:06
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Change a Django form field to a hidden field
...alue.
also you may prefer to use in the view:
form.fields['field_name'].widget = forms.HiddenInput()
but I'm not sure it will protect save method on post.
Hope it helps.
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How to parse JSON using Node.js? [closed]
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note that require is synchronous and only reads the file once, following calls return the result from cache
Also note You should only use this for local files under your absolute control, as it potentially executes any code within the file.
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How do I extend a class with c# extension methods?
...s (or future) day. Not to mention DateTime.Now is determined each time you call it...
– MintGrowth
Sep 15 '15 at 13:02
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How do I capture the output into a variable from an external process in PowerShell?
...directly, as in any shell. Doing so keeps the application connected to the calling console's standard streams, allowing its output to be captured by simple assignment $output = netdom ..., as detailed below.
Fundamentally, capturing output from external programs works the same as with PowerShell-nat...