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In log4j, does checking isDebugEnabled before logging improve performance?
...g statements when the production system is running at log level of INFO or ERROR
– AztecWarrior_25
Mar 10 '18 at 0:51
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What is the advantage to using bloom filters?
... additional linear
space overhead for pointers. A Bloom
filter with 1% error and an optimal
value of k, on the other hand,
requires only about 9.6 bits per
element — regardless of the size of
the elements. This advantage comes
partly from its compactness, inherited
from arrays, and...
How to calculate date difference in JavaScript?
... x0 = new Date(d0);
var x1 = new Date(d1);
// Set to noon - avoid DST errors
x0.setHours(12,0,0);
x1.setHours(12,0,0);
// Round to remove daylight saving errors
return Math.round( (x1 - x0) / msPerDay );
}
This can be more concise:
/* Return number of days between d0 and d1.
*...
module unsafe for SAFESEH image C++
...
It can also be caused by, as the error states, modules for which the linker can't find safe exception handlers. Assembly language modules in particular - as discussed in other answers. There is some info about this here.
– Nick Westgate...
Is it possible to delete an object's property in PHP?
... object.
unset($object[$key])
Update
Newer versions of PHP throw fatal error Fatal error: Cannot use object of type Object as array as mentioned by @CXJ . In that case you can use brackets instead
unset($object{$key})
...
Send message to specific client with socket.io and node.js
... var holder = new socketio.RedisStore; ^ TypeError: undefined is not a function at Object.<anonymous> (C:\Users\Dev\Desktop\nouty-server\server.js:108:14) at Module._compile (module.js:460:26) at Object.Module._extensions..js (module.js:478:10) at ...
Multiple arguments vs. options object
...xplicit documentation to specify intent, but it also leaves room for vague errors.
What if a developer modifies param1 in bar()? How long do you think it would take looking through a codebase of sufficident size to catch this?
Admittedly, this is example is slightly disingenuous because it assumes d...
How to sort with a lambda?
...in place of binding an instance method. However, the code above yields the error:
3 Answers
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How to reverse a singly linked list using only two pointers?
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I'm not sure about 'obvious errors' in the original. Design-wise, not passing the head of the list in and not returning the new head is a bad idea. The only bug, though, is the last line in the reverse() function should be setting first, I believe. O...
stash@{1} is ambiguous?
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@sehe: The one Uncommon currently uses. The error message quoted indicates it quite clearly (no, it seems it can't be bash).
– Jan Hudec
Jun 24 '11 at 14:35
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