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.Contains() on a list of custom class objects
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If you are using .NET 3.5 or newer you can use LINQ extension methods to achieve a "contains" check with the Any extension method:
if(CartProducts.Any(prod => prod.ID == p.ID))
This will check for the existence of a pro...
Is it possible to read the value of a annotation in java?
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Yes, if your Column annotation has the runtime retention
@Retention(RetentionPolicy.RUNTIME)
@interface Column {
....
}
you can do something like this
for (Field f: MyClass.class.getFields()) {
Column column = f.getAnno...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
...isambiguated by looking
at the separator between the various components: if the separator is a
slash (/), then the American m/d/y is assumed; whereas if the
separator is a dash (-) or a dot (.), then the European d-m-y
format is assumed. Check more here.
Use the default date function.
$va...
Activity has leaked ServiceConnection @438030a8 that was original
... only a presumption, but it looks like the kind of problem you'd be seeing if you were using the bindService method on it's own.
To ensure a service is kept running, even after the activity that started it has had its onDestroy method called, you should first use startService.
The android docs for...
Using Custom Domains With IIS Express
...plication root URL: http://dev.example.com
Click Create Virtual Directory (if you get an error here you may need to disable IIS 5/6/7/8, change IIS's Default Site to anything but port :80, make sure Skype isn't using port 80, etc.)
Optionally: Set the Start URL to http://dev.example.com
Open %USE...
Why is Maven downloading the maven-metadata.xml every time?
...le tells Maven to contact the remote repo (Nexus in my case, Maven Central if you're not using your own remote repo) any time Maven needs to retrieve a snapshot artifact during a build, checking to see if there's a newer copy. The metadata is required for this. If there is a newer copy Maven downl...
How to compare two floating point numbers in Bash?
...niently
This can be done more conveniently using Bash's numeric context:
if (( $(echo "$num1 > $num2" |bc -l) )); then
…
fi
Explanation
Piping through the basic calculator command bc returns either 1 or 0.
The option -l is equivalent to --mathlib; it loads the standard math library.
En...
Why not use exceptions as regular flow of control?
...s quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I wish I could just have launched the program and wait for exceptions to occur, but there were around 200 exceptions during the ...
Parse (split) a string in C++ using string delimiter (standard C++)
...returns the position of the first occurrence of str in the string, or npos if the string is not found.
The substr(size_t pos = 0, size_t n = npos) function returns a substring of the object, starting at position pos and of length npos.
If you have multiple delimiters, after you have extracted on...
How to get the nth occurrence in a string?
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I would have been good if you specified what each parameter meant.
– Foreever
Jun 10 '14 at 8:49
1
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