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Logging best practices [closed]
...ividual boolean switches to turn on/off specific high volume tracing, e.g. raw message dumps. (Or a separate trace source could be used, similar to WCF/WPF).
You might also want to consider separate trace sources for Activity Tracing vs general (other) logging, as it can make it a bit easier to con...
A cron job for rails: best practices?
... NB: these days I'm using whenever (see Jim Garvin's answer), but a raw cron entry to run rake task would be something like: 30 4 * * * /bin/bash -l -c 'cd /opt/railsapp && RAILS_ENV=production rake cron --silent'
– tardate
Jul 12 '11 at 10:08
...
Current time in microseconds in java
...But beware of the inaccuracy of values in the microseconds and nanoseconds range; common computer hardware may not carry a hardware clock tracking time that accurately. A value with six or nine digits of fractional second may not be true.
– Basil Bourque
Sep 20...
Why is Java's AbstractList's removeRange() method protected?
Does anyone have any idea, why removeRange method in AbstractList (and also in ArrayList ) is protected ? It looks like a quite well-defined and useful operation, but still, to use it, we're forced to subclass the List implementation.
...
Compare two Byte Arrays? (Java)
...was unable to find a low level efficient function to perform equality test ranges. I had to whip up my own, if anyone needs it:
public static boolean ArraysAreEquals(
byte[] first,
int firstOffset,
int firstLength,
byte[] second,
int secondOffset,
int secondLength
) {
if( firstLength != s...
Convert two lists into a dictionary
...818815
>>> min(timeit.repeat(lambda: {keys[i]: values[i] for i in range(len(keys))}))
0.8782548159942962
>>>
>>> min(timeit.repeat(lambda: dict([(k, v) for k, v in zip(keys, values)])))
1.077607496001292
>>> min(timeit.repeat(lambda: dict((k, v) for k, v in zip(k...
Why does the C++ STL not provide any “tree” containers?
...don't make any sense for a hierarchy (anything that changes the order of a range, for example). Even defining a range within a hierarchy could be a messy business.
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What's the best way to model recurring events in a calendar application?
...ored for a recurring event should always be the end date of the recurrence range (or your platform's "max date" if recurring "forever") and the event duration should be stored separately. This is to ensure a sane way of querying for events later.
Some discussion around generating event instances and...
Using success/error/finally/catch with Promises in AngularJS
...ta, status, headers, config))
for then(), you probably will deal with the raw response object.
such as posted in AngularJS $http API document
$http({
url: $scope.url,
method: $scope.method,
cache: $templateCache
})
.success(function(data, status) {
$scope.s...
Unique (non-repeating) random numbers in O(1)?
...SR which period is 1048575 (2^20 - 1) and get next one if number is out of range but this won't be efficient.
– tigrou
Jul 4 '16 at 9:35
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