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Is #pragma once part of the C++11 standard?
...ifferent developments, the obvious solution is
to generate a lot of random characters for the include guard
when you create it. (A good editor can be set up to do this for
you whenever you open a new header.) But even without this,
I've yet to encounter any problems with conflicts between
librarie...
Checking for an empty field with MySQL
...
An empty field can be either an empty string or a NULL.
To handle both, use:
email > ''
which can benefit from the range access if you have lots of empty email record (both types) in your table.
...
Execute method on startup in Spring
...ootApplication
public class DemoApplication {
public static void main(String[] args) {
ConfigurableApplicationContext app = SpringApplication.run(DemoApplication.class, args);
MyBean myBean = (MyBean)app.getBean("myBean");
myBean.invokeMyEntryPoint();
}
}
...
Multiple inputs with same name through POST in php
...wer in POSTing Form Fields with same Name Attribute you also can interplay strings or integers without quoting.
The answers assume that you don't mind the key value coming back for PHP however you can set name=[yourval] (string or int) which then allows you to refer to an existing record.
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Proper use of the IDisposable interface
...d objects.
public class LoggingContext : IDisposable {
public Finicky(string name) {
Log.Write("Entering Log Context {0}", name);
Log.Indent();
}
public void Dispose() {
Log.Outdent();
}
public static void Main() {
Log.Write("Some initial stuff."...
Why doesn't Haskell's Prelude.read return a Maybe?
...at returns Maybe. You can make one yourself:
readMaybe :: (Read a) => String -> Maybe a
readMaybe s = case reads s of
[(x, "")] -> Just x
_ -> Nothing
share
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Showing which files have changed between two revisions
...eel special. I've bookmarked it in delicious.com for future reference and extra google-foo.
– Orwellophile
Oct 21 '15 at 15:29
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The project cannot be built until the build path errors are resolved.
... No amount of Cleaning did it for me, tried removing/adding extra JARs as stated in other answers. Did not close Eclipse (ADT) by force, so the workspace was fine. Turns out a simple Eclipse restart did the trick.
– cassi.lup
Feb 28 '14 at 6:24
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Are there pronounceable names for common Haskell operators? [closed]
...r
main = translateLn <$> getLine >>= putStrLn
translateLn :: String -> String
translateLn = unwords . map t . words
t :: String -> String -- t(ranslate)
-- historical accurate naming
t "=" = "is equal too" -- The Whetstone of Witte - Robert Recorde (1557)
-- proposed namings
-...
How do I bind Twitter Bootstrap tooltips to dynamically created elements?
... great! for use inside a table add container: 'body' to avoid extra width.
– shock_gone_wild
Jan 19 '16 at 16:31
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