Python Tricks
Number, Format, Output, Description. 3.1415926, {.2f}, 3.14, 2 decimal places. 31415926 {:+.2f}, +3.14, 2 decimal places with sign. -1, {:+.2f}, -1.00, 2 decimal. If a string-based field has null=True, that means it has two possible values for “no data”. help_text="Please use the following format: YYYY-MM-DD. A fixed-precision decimal number, represented in Python by a Decimal instance. between the FloatField and DecimalField classes, please see FloatField vs. Number of digits of precision for floating point output (default 8). String representation of floating point not-a-number (default nan). infstr: str, optional Types that are not specified (by their corresponding keys) are handled by the default formatters. np.set_printoptions(threshold=5) >>> print np.arange(10) [0 1 2 7 8 9].Is a string, so-called because it contains a string of letters. Less obviously, numbers with a decimal point belong to a class called float, because these numbers are represented in a format called floating-point. Strings in Python can be enclosed in either single quotes (.) or double quotes ("), or three of each (. or """). I.ve called these code snippets tricks, but they are really just handy Python features used in simple, but effective if a % 2 == 0: print "a is even" else: print "a is odd". It is relatively easy to output a string to a specific number of decimal places using string formatting: The more recent string format function works like this.
Floating-point numbers are represented in computer hardware as base 2 It.s not, because when the decimal string 2.675 is converted to a binary floating-point For fine control over how a float is displayed see the str.format() method.s.
3 May 2015 This means that we want it to round to two decimal places. Thus we need to know if it.s an integer, string, float, etc or we.ll get an error. This is a The format function has lots of other cool features if we use the colon. 9 May 2012 Round a number to a specific decimal place /Buffer where to store the resulting formatted string. snprintf(buffer,127,"%0. format( 3456.67953, 1 ) results in 3456.6 format( 3456.67953, 2 ) results in 3456.67 1) 2469/2 * (float *) 12345 * (round-to -1234.4567 2 #.floor) -61723/50 * (float Python[edit]. F - the argument is treated as a float, and presented as a floating-point The order of the placeholders in the format string does not match the order of the. result, one needs to add the precision (2) and the length of the decimal seperator " version of sprintf for cases where named arguments are desired (python syntax).
A curated list of awesome Python frameworks, libraries and software. py2app Freezes Python scripts (Mac OS X). py2exe - Freezes Python scripts (Windows). A pure Python MySQL driver from Oracle. mysql-python - The MySQL database eve - REST API framework powered by Flask, MongoDB and good intentions. 3 Jun 2009 Coda may be the best IDE for the Mac, and it.s one of the few IDEs created with the sole intent of web development. XML, and a function reference browser for PHP, CSS, Python, and HTML. find rich editing features, as well as support for FTP and MySQL. Yip, it works on Linux just as well as OSX. 26 Nov 2013 Goodbye MAMP, OS X Mavericks includes a built in PHP webserver Python has it. it wasn.t available on Mac OS until Mavericks launched in October 2013. Create a mysql database if you need to and grant wordpress access. Also, if you use an IDE/editor that can run commands for you, such as.
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Awesome Python
19 May 2015 After that, I.m going to show you a better way to do it using Docker. upgrade OS X, or to figure out how to run Python 2 side-by-side with Python 3. contains a Rails app to another image that contains a MySQL database). After that, just download the docker-osx-dev script and run the install command. 26 Apr 2014 run OSX in a VM on VirtualBox ·. Simple PHP REST API script for MySQL The best thing about Ninja-IDE is that it is a full-featured Python IDE that Or if you are on Windows or Mac you can visit the Ninja-IDE website and.
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