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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...ch [] call is just the default value, which we’ve been mutating all this time so now contains our new values. Since << doesn’t assign to the hash (there can never be assignment in Ruby without an = present†), we’ve never put anything into our actual hash. Instead we have to use <<...
Hidden features of Windows batch files
...indows Explorer in the "some_directory" folder.
I have found this a great time-saver.
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answered Oct 29 '08 at 2:54
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format date with moment.js
...tartDate)
The result is "Mon Jun 28 1920 00:00:00 GMT+0530 (India Standard Time)",
Then, when I use another format on "06/28/20": startDate = moment(startDate ).format('MM-DD-YYYY'); Result: 06-28-1920, in google chrome and firefox browsers it gives correct date on second attempt as: 06-28-2020. But...
Setting custom UITableViewCells height
...ns to using tableView:heightForRowAtIndexPath: instead of rowHeight. Every time a table view is displayed, it calls tableView:heightForRowAtIndexPath: on the delegate for each of its rows, which can result in a significant performance problem with table views having a large number of rows (approxima...
What differences, if any, between C++03 and C++11 can be detected at run-time?
It is possible to write a function, which, when compiled with a C compiler will return 0, and when compiled with a C++ compiler, will return 1 (the trivial sulution with
#ifdef __cplusplus is not interesting).
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How to automatically add user account AND password with a Bash script?
... the variables.
The above command passes the password and a new line, two times, to passwd, which is what passwd requires.
If not using variables, I think this probably works.
echo -e 'password\npassword\n' | sudo passwd username
Single quotes should suffice here.
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Is there a perfect algorithm for chess? [closed]
... championship back in 1994.
Yes, you can solve chess, no, you won't any time soon.
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Python regex find all overlapping matches?
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My answer is at least 2 times faster than this one. But this solution is tricky, I upvote it.
– eyquem
Jul 5 '13 at 10:33
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Making macOS Installer Packages which are Developer ID ready
... sure that they fixed the issues in 10.7 or 10.8.
First of all I saw from time to time the above mentioned Destination Select Pane Bug. That should have stopped me, but I ignored it. If you don't want to spend the week after you released your software answering support e-mails that they have to cli...
Mimicking sets in JavaScript?
...implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser availability.
One advantage of the built-in Set object is that it doesn't coerce all keys to a string like the Objec...