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Conventions for exceptions or error codes
...dious and hard to write code that reacts appropriately to every situation (including the unhappy ones), but that's because writing error-free code is tedious and hard, not because you're passing error codes.
Both Raymond Chen and Joel have made some eloquent arguments against using exceptions for e...
How to clear MemoryCache?
...d.
The warning in the documentation is correct. Avoid GetEnumerator() -- including all of the answers above that use LINQ queries.
A better and more flexible solution
Here's an efficient way of clearing the cache that simply builds on the existing change monitoring infrastructure. It also provi...
How to store a dataframe using Pandas
...spect we're missing something. New question will get more eyes, but try to include/generate a DataFrame that reproduces :)
– Andy Hayden
Nov 8 '17 at 17:12
1
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When to catch java.lang.Error?
... it is practically impossible to program against it. If you are optionally including a dependency, you should use ClassLoader to check whether it exists, which throws ClassNotFoundException.
– Jeeyoung Kim
Apr 19 '16 at 18:41
...
Is there a way to crack the password on an Excel VBA Project?
...rd protection (and file format) is radically different than Excel 2003. I included some specifics about it in my answer below. In my opinion, the password protected option on an Excel 2007 file is the first time in Microsoft Office history that they have produced a reasonably secure file.
...
What is the use of “assert” in Python?
..."<stdin>", line 1, in <module>
AssertionError
Assertions can include an optional message, and you can disable them when running the interpreter.
To print a message if the assertion fails:
assert False, "Oh no! This assertion failed!"
Do not use parenthesis to call assert like a fun...
Redis - Connect to Remote Server
...redis-server redis.conf
also side note i am including a screenshot of virtual box setting to
connect to redis, if you are on windows and connecting to a virtualbox vm.
share
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What exactly is Type Coercion in Javascript?
...) // false
Any value that is not in the list is converted to true, including object, function, Array, Date, user-defined type, and so on. Symbols are truthy values. Empty object and arrays are truthy values as well:
Boolean({}) // true
Boolean([]) // true
Boolean(Symb...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
... href's. Always be suspicious of broad general statements on bad practice, including this one :)
– Jordan Rieger
May 29 '13 at 19:33
19
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Maintain/Save/Restore scroll position when returning to a ListView
...s
listView.setAdapter(adapter);
...
// Restore previous state (including selected item index and scroll position)
if(state != null) {
Log.d(TAG, "trying to restore listview state");
listView.onRestoreInstanceState(state);
}
}
...