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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...f translating the integers 1 to 16384, i.e. Excel columns A to XFD, as the test).
– Graham
May 4 '11 at 19:06
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System.currentTimeMillis vs System.nanoTime
...FileTime, so I do not know where change comes from. Or if it's even valid. Test before using.
– user3458
Dec 16 '15 at 17:44
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Using PUT method in HTML form
... like this:
<input type="hidden" name="_METHOD" value="PUT"/>
To test your requests you can use "Postman" a google chrome extension
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How do you create optional arguments in php?
...l, because that can also be used when the values of $bar are boolean. The test then becomes if (is_null($bar)) or if ($bar === null).
– ToolmakerSteve
Aug 17 '16 at 13:48
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How do I append one string to another in Python?
...'s only in the cPython implementation as far as I know. The same empirical testing on pypy or jython for example might show the older O(n**2) performance .
$ pypy -m timeit -s"s=''" "for i in xrange(10):s+='a'"
10000 loops, best of 3: 90.8 usec per loop
$ pypy -m timeit -s"s=''" "for i in xrange(1...
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
... I'd add 'in another session' to that. One common scenario is that you've tested the update in a tool, say SQL Developer or Toad, and have then tried to run it somewhere else while the first session still holds the lock. So you need to commit/rollback the other session before you can run the update...
Why can't I inherit static classes?
...ay. You might as well call Base.Method() explicitly. You can write a small test and see the result with Reflector.
So... if you can't inherit static members, and if static classes can contain only static members, what good would inheriting a static class do?
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How to add column if not exists on PostgreSQL?
...believe means that you must be on PostgresSQL 9.1 or newer.
This has been tested on 9.1 and works. Note: It will raise an error if the schema/table_name/or data_type are invalid. That could "fixed", but might be the correct behavior in many cases.
CREATE OR REPLACE FUNCTION add_column(schema_nam...
iOS: Multi-line UILabel in Auto Layout
... An issue for me since I started running on an iOS 9 sim but when I tested on iOS 8 then the trouble started. I need to set the max width manually.
– naz
Nov 6 '15 at 6:19
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Using .otf fonts on web browsers
...nt (404 error if so). You can temporarily rename to .ttf or even .html for testing. The only web fonts supported by IE is WOFF format. (Nope, never heard of it either!)
– Henrik Erlandsson
Oct 28 '13 at 11:37
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