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Can I safely delete contents of Xcode Derived data folder?
...oject's data individually. So I stand by my previous comment, though I've now implemented William's alias in my .bashrc.
– gone
Jun 19 '16 at 9:42
...
Cast Double to Integer in Java
...r val = (myDouble == null)? null : Integer.valueOf(myDouble.intValue());
Now it works fine for most values. However integers have a very small range (min/max value) compared to a Double. On top of that, doubles can also hold "special values", that integers cannot:
1/0 = +infinity
-1/0 = -infini...
Invalid default value for 'create_date' timestamp field
...
I like the use of column_name TIMESTAMP DEFAULT NOW(). May not be appropriate for every situation but thought I'd share since I was dealing with this too.
– DeezCashews
Aug 1 '18 at 15:20
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How do I use variables in Oracle SQL Developer?
...
Ok I know this a bit of a hack but this is a way to use a variable in a simple query, not a script:
WITH
emplVar AS
(SELECT 1234 AS id FROM dual)
SELECT
*
FROM
employees,
emplVar
WHERE
EmployId=emplVar.id;
...
How can I open the interactive matplotlib window in IPython notebook?
...
Works for me now (2014-08) using current release of Python 2.7 on Win7 x64.
– nerdfever.com
Aug 29 '14 at 1:31
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OS X Terminal Colors [closed]
...adhanushGupta Not sure what color scheme that was, it was a while ago. But now I am using the Pure ZSH theme and loving it. github.com/sindresorhus/pure
– Nick Woodhams
Feb 12 '15 at 4:35
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When do you use Git rebase instead of Git merge?
... aside still in this answer? It made no sense in '09 and it makes no sense now. Also, surely you would only want to rebase if another developer made related changes that you needed - if they made unrelated changes, your feature branch should merge easily without conflicts anyway, and your history wo...
Node / Express: EADDRINUSE, Address already in use - Kill server
...f' fails: 14 Mar 21:19:30 - socket.io ready - accepting connections Could now start the server: EADDRINUSE, Address already in use
– Jean Jordaan
Mar 14 '11 at 14:21
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Recursively look for files with a specific extension
... recurse through all the directories
shopt -s extglob nullglob globstar
Now all you need to do is form the glob expression to include the files of a certain extension which you can do as below. We use an array to populate the glob results because when quoted properly and expanded, the filenames w...
Command line progress bar in Java
...ogressbar, License: MIT
Simple console progress bar. Progress bar writing now runs on another thread.
Menlo, Fira Mono, Source Code Pro or SF Mono are recommended for optimal visual effects.
For Consolas or Andale Mono fonts, use ProgressBarStyle.ASCII (see below) because the box-drawing glyphs...