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What's the difference between the various methods to get a Context?
... repeat this cycle many times) - what context should I use in this case in order to avoid building up a huge trail of referenced contexts? Diana says using 'this' rather than getBaseContext, but then... most of the times A will be reused but there are situations when a new object for A will be creat...
ES6 class variable alternatives
...you prefix the method name with the class name (IE: MyClassProperties() in order to avoid accidentally overriding function calls within sub classes. Also, keep in mind that any calls to super() must be declared first in the class constructor.
– Chunky Chunk
Se...
UITableView row animation duration and completion callback
...mSelectorOnMainThread:withObject:waitUntilDone:]; in setCompletionBlock in order to call your delegate in next runloop. if you call your delegate directly, without performSelectorOnMainThread, you get old value for tableView.contentSize.
– slamor
Sep 18 '13 at ...
Explicitly select items from a list or tuple
...
Maybe a list comprehension is in order:
L = ['a', 'b', 'c', 'd', 'e', 'f']
print [ L[index] for index in [1,3,5] ]
Produces:
['b', 'd', 'f']
Is that what you are looking for?
s...
Java SafeVarargs annotation, does a standard or best practice exist?
... }
}
The problem here is that we depend on the type of args to be T[] in order to return it as T[]. But actually the type of the argument at runtime is not an instance of T[].
3) If your method has an argument of type T... (where T is any type parameter), then:
Safe: If your method only depends...
Why does find -exec mv {} ./target/ + not work?
...-iname or mv implementations that don't support -t is to use a shell to re-order the arguments:
find . -name '*.[cC][pP][pP]' -type f -exec sh -c '
exec mv "$@" /dest/dir/' sh {} +
By using -name '*.[cC][pP][pP]', we also avoid the reliance on the current locale to decide what's the uppercase v...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...ly exclusive relations are possible: less than, equal, greater than, and unordered. The last case arises when at least one operand is NaN. Every NaN shall compare unordered with everything, including itself.
As far as writing extra code to handle NaNs goes, it is usually possible (though not alway...
SQL Server SELECT INTO @variable?
..., the above query assumes you've selected a single row. You could also use ordering and aggregate functions if you want more fancy logic.
– dougajmcdonald
Mar 21 '17 at 8:16
1
...
Why escape_javascript before rendering a partial?
...).append("<a href="/mycontroller/myaction">Action!</a>");
In order for this not to happen, you want to escape these special characters so your string is not cut - you need something that generates this instead:
<a href=\"/mycontroller/myaction\">Action!</a>
This what esc...
Request is not available in this context
... will also need some additional configuration on your log4net appenders in order for them to log your custom data.
This solution can be easily implemented as a custom log enhancement module. Here is sample code for it:
using System;
using System.Web;
using log4net;
using log4net.Core;
namespace Y...