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Open multiple Eclipse workspaces on the Mac
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But now I can't close the terminal window until I close eclipse
– Blundell
Jul 5 '12 at 7:37
1
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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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extract part of a string using bash/cut/split
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I'm not sure if this is an argument for or against the creative use of grep, but try it with VAR=/here/is/a/path:with/a/colon/inside:DNS9=domain.com
– rici
Oct 20 '13 at 21:51
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What is the maximum possible length of a .NET string?
...estion as far as I can see, so an authoritative answer might require some knowledge of internals. Would the maximum change on a 64-bit system?
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Which characters are valid/invalid in a JSON key name?
...d key. It can even have " as long as you escape it:
{"The \"meaning\" of life":42}
There is perhaps a chance you'll encounter difficulties loading such values into some languages, which try to associate keys with object field names. I don't know of any such cases, however.
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How to read and write into file using JavaScript?
...ion on the Javascript File class
Edit: That link was to the Sun docs that now have been moved by Oracle.
To keep up with the times here's the node.js documentation for the FileSystem class: http://nodejs.org/docs/latest/api/fs.html
Edit(2): You can read files client side now with HTML5: http://ww...
Difference between Destroy and Delete
What is the difference between
6 Answers
6
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Best practices for Storyboard login screen, handling clearing of data upon logout
...ithOptions
//authenticatedUser: check from NSUserDefaults User credential if its present then set your navigation flow accordingly
if (authenticatedUser)
{
self.window.rootViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateInitialViewController...
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...
Are there benefits of passing by pointer over passing by reference in C++?
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A pointer can receive a NULL parameter, a reference parameter can not. If there's ever a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site whether the object is passed by value or by ...