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IPN vs PDT in Paypal
...n't happen. The application I wrote handles the PDT and IPN almost identically (the backend part is the same) and that code acquires a per-web-user lock in the database, so that if the same user tries to submit the exact same payment multiple times it can only be processed once. Once processed the...
How do I put hint in a asp:textbox
...ith ASP.net are passed through and rendered as is. So the above code (basically) renders to:
<input type="text" placeholder="hint"/>
Using placeholder in resources
A fine way of applying the hint to the control is using resources. This way you may have localized hints. Let's say you have a...
Generate a random number in the range 1 - 10
... in: ERROR: operator does not exist: date + double precision Does trunc really return integers?
– Bogdan Gusiev
Jan 26 '10 at 12:44
3
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Import .bak file to a database in SQL server
...e a charm. These are excellent simplified instructions, and they're essentially the same instructions from the official Microsoft link noted in the most voted up answer here.
– Leonardo Lopez
Jun 4 '15 at 15:50
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Can I make 'git diff' only the line numbers AND changed file names?
This question calls for "line numbers", if you do not care about line numbers in the output see this question and answer.
1...
Why is there no Tree class in .NET?
...BCL. I suspect this is because the choice of whether to use a tree is typically an implementation detail and is otherwise an unconventional way to access data. That is, you don't say, "binary-search-for element #37"; instead, you say, "get me element #37".
But have you taken a look at C5? It's supe...
For..In loops in JavaScript - key value pairs
...is specific case I would assume it's slower because of the Object.entries call. I didn't run any tests though.
– Francesco Casula
Jul 9 '17 at 6:44
7
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Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
14
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What does $$ mean in the shell?
... This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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Can I get “&&” or “-and” to work in PowerShell?
...rt by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to input, output, piping, and results. Start with a good tutorial or overview, and don't try too hard to make syntax from other shells work. You have to take it on its own terms....