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How do I measure time elapsed in Java? [duplicate]
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The pointcut definition could be easily adapted to monitor any method based on the class name, the package name, the method name, or any combination of these. Measurement is really a perfect use case for AOP.
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What is NODE_ENV and how to use it in Express?
...it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging or logging code if ru...
How can I handle time zones in my webapp?
...iguously used. This looks like a reference: en.wikipedia.org/wiki/Tz_database From what I can tell a "timezone" is "Area/Location", e.g. "America/New_York". That appears to be geographic which is great because for instance America/Los_Angeles means BOTH PST and PDT depending on whether the globe...
What is a Y-combinator? [closed]
... it cannot get better than this. This answer deserves (add1 votes) with no base case condition to exit; aka infinite recursion.
– Yavar
Oct 23 '15 at 15:38
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asynchronous vs non-blocking
...sually isn't "in parallel", nor "another thread", mostly it's notification-based. that is: don't block, don't poll, just get the signal. of course, it can be argued that the signal is coming from the 'real world' which can be thought as 'another thread'...
– Javier
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What exactly does the post method do?
...e in a state where the View is attached to the window. A lot of algorithms based on View metrics may not work since things like the View's measurements and position may have not been calculated. Android animations typically require them to run through UI math
View.post actually queues the animation...
Set focus on TextBox in WPF from view model
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Based on this suggestion, I've implemented my own ViewCommandManager that handles invoking commands in connected views. It's basically the other direction of regular Commands, for these cases when a ViewModel needs to do some...
Start / Stop a Windows Service from a non-Administrator user account
...t = profileList.GetSubKeyNames();
foreach (string sid in sidList)
{
//Based on above names, get 'Registry Keys' corresponding to each SID
RegistryKey profile = Registry.LocalMachine.OpenSubKey(Path.Combine(keyName, sid));
//SID
string strSID = sid;
//UserName which is represent...
django admin - add custom form fields that are not part of the model
... custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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Quickly reading very large tables as dataframes
...quickly reading CSV files.
Trying to store as much data as you can in databases rather than flat files. (As well as being a better permanent storage medium, data is passed to and from R in a binary format, which is faster.) read.csv.sql in the sqldf package, as described in JD Long's answer, impor...