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How to check for an active Internet connection on iOS or macOS?
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Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
PostgreSQL: Show tables in PostgreSQL
... list all databases and users by \l command, (list other commands by \?).
Now if you want to see other databases you can change user/database by \c command like \c template1, \c postgres postgres and use \d, \dt or \dS to see tables/views/etc.
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How to merge a specific commit in Git
...branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD .
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How to post pictures to instagram using API
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Update:
Instagram are now banning accounts and removing the images based on this method. Please use with caution.
It seems that everyone who has answered this question with something along the lines of it can't be done is somewhat correct. Offi...
Get TFS to ignore my packages folder
...be as follows:
\packages
That tells TFS to ignore your packages folder. Now, you would think that this would also ignore the repositories.config file. But it won't. Why? Who knows, the ways of Microsoft are strange and mysterious. Actually, I think it's part of the NuGet stuff I outline below, bu...
Auto-fit TextView for Android
...d get it by overriding setMaxLines and store its value.i've changed it and now it works fine. also, since sometimes the text might be even too long for the smallest size, i've tried to use setEllipsize, and that worked too! i think we have a winner. please post your code here so i can mark it as the...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...1 timeouts are different to Boost timeouts (though this should soon change now Boost.Chrono has been accepted).
Some of the names are different (e.g. boost::unique_future vs std::future)
The argument-passing semantics of std::thread are different to boost::thread --- Boost uses boost::bind, which re...
Get yesterday's date using Date [duplicate]
...There has been recent improvements in datetime API with JSR-310.
Instant now = Instant.now();
Instant yesterday = now.minus(1, ChronoUnit.DAYS);
System.out.println(now);
System.out.println(yesterday);
https://ideone.com/91M1eU
Outdated answer
You are subtracting the wrong number:
Use Calendar...
Javascript objects: get parent [duplicate]
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No. There is no way of knowing which object it came from.
s and obj.subObj both simply have references to the same object.
You could also do:
var obj = { subObj: {foo: 'hello world'} };
var obj2 = {};
obj2.subObj = obj.subObj;
var s = obj.subObj;...
How do I expire a PHP session after 30 minutes?
...of the last activity of the user but update that value with every request. Now if the difference of that time to the current time is larger that 1800 seconds, the session has not been used for more than 30 minutes.
– Gumbo
Aug 9 '10 at 16:37
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