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Using Java 8 to convert a list of objects into a string obtained from the toString() method
...o do this without java 8, there is a pretty good trick. List.toString() already returns a collection that looks like this:
[1,2,3]
Depending on your specific requirements, this can be post-processed to whatever you want as long as your list items don't contain [] or , .
For instance:
list.toStr...
ArrayList vs List in C#
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Another difference to add is with respect to Thread Synchronization.
ArrayList provides some thread-safety through the Synchronized property, which returns a thread-safe wrapper around the collection. The wrapper works by locking the entire collection on every add or...
applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
...lEnterForeground: is called. It is only executed once when the app becomes ready for use, after being put into the background, while applicationDidBecomeActive: may be called multiple times after launch. This makes applicationWillEnterForeground: ideal for setup that needs to occur just once after r...
How do I restore a dump file from mysqldump?
...e-here>;
If it was a dump of many databases, the use statements are already in there.
To run these commands, open up a command prompt (in Windows) and cd to the directory where the mysql.exe executable is (you may have to look around a bit for it, it'll depend on how you installed mysql, i.e. ...
Why does instanceof return false for some literals?
... To know more about the differences between primitives and wrapped objects read the following blog post: The Secret Life of JavaScript Primitives
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Is there a Python function to determine which quarter of the year a date is in?
...s myself, but before I go reinventing the wheel is there a function that already does this?
13 Answers
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How to make zsh run as a login shell on Mac OS X (in iTerm)?
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Please, read the question first. The problem is not in setting the default shell, the problem is that zsh isn't detecting that it is started as a login shell.
– Ivan Tarasov
Dec 1 '09 at 3:59
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How to create CSV Excel file C#? [closed]
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Another good solution to read and write CSV-files is filehelpers (open source).
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How can I run a directive after the dom has finished rendering?
I've got a seemingly simple problem with no apparent (by reading the Angular JS docs) solution.
6 Answers
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How do I dump the data of some SQLite3 tables?
...lt; database.sql grep '^INSERT' ... but an explicit pipe is much easier to read.
– rjh
Feb 15 '16 at 14:49
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