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What's the difference between returning void and returning a Task?
...arious C# Async CTP samples I see some async functions that return void , and others that return the non-generic Task . I can see why returning a Task<MyType> is useful to return data to the caller when the async operation completes, but the functions that I've seen that have a return typ...
Get records with max value for each group of grouped SQL results
...alue for.
You avoid complicated subqueries that try to find the max() etc, and also the problems of returning multiple rows when there are more than one with the same maximum value (as the other answers would do)
Note: This is a mysql-only solution. All other databases I know will throw an SQL synta...
Setting default values for columns in JPA
Is it possible to set a default value for columns in JPA, and if, how is it done using annotations?
18 Answers
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How can I draw vertical text with CSS cross-browser?
...dated this answer with recent information (from CSS Tricks). Kudos to Matt and Douglas for pointing out the filter implementation.
.rotate {
-webkit-transform: rotate(-90deg);
-moz-transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
-o-transform: rotate(-90deg);
transform: rotate(-9...
How to print a dictionary line by line in Python?
...came to the conclusion of my previous comment. You could send me your code and I can see if I'm any help.
– Darrel Holt
Dec 21 '16 at 20:54
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Caveats of select/poll vs. epoll reactors in Twisted
Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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How to convert .pfx file to keystore with private key?
I need to sign Android application ( .apk ).
I have .pfx file. I converted it to .cer file via Internet Explorer and then converted .cer to .keystore using keytool. Then I've tried to sign .apk with jarsigner but it says that .keystore doesn't content a private key.
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Get value of a string after last slash in JavaScript
I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 An...
WPF Data Binding and Validation Rules Best Practices
...plex.com), which includes a demo of best practices validation in WPF+MVVM, and uses IDataErrorInfo
– Mark Heath
Sep 4 '09 at 6:37
3
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Java Naming Convention with Acronyms [closed]
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Since it looks like the answer is that there is no single standard for this in Java, I'd like to note that the .NET Framework Design Guidelines do specify this.
Now before slamming me for being off topic, please remember that the class naming guidelines for Java and the .NET Framewo...