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How to round a number to n decimal places in Java
What I would like is a method to convert a double to a string which rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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What is the global interpreter lock (GIL) in CPython?
... an issue for CPython, the reference implementation. Jython and IronPython don't have a GIL. As a Python developer, you don't generally come across the GIL unless you're writing a C extension. C extension writers need to release the GIL when their extensions do blocking I/O, so that other threads in...
How to pretty print XML from Java?
...ions. I would like to turn it into a String with nicely formatted XML. How do I do this?
34 Answers
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Testing if jQueryUI has loaded
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}
OR
if (typeof jQuery.ui != 'undefined') {
// UI loaded
}
Should do the trick
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C: Run a System Command and Get Output? [duplicate]
...un a command in linux and get the text returned of what it outputs, but I do not want this text printed to screen. Is there a more elegant way than making a temporary file?
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Using a Single Row configuration table in SQL Server database. Bad idea?
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I have done this two ways in the past - a single row table and a key/value pair table - and there are positives and negatives to each approach.
Single Row
positive: the values are stored in the correct type
positive: it is easier t...
How to change folder with git bash?
... edited Oct 15 '19 at 8:01
double-beep
3,55599 gold badges2323 silver badges3535 bronze badges
answered Jan 22 '12 at 13:17
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Adding new column to existing DataFrame in Python pandas
...the original df1 indexes to create the series:
df1['e'] = pd.Series(np.random.randn(sLength), index=df1.index)
Edit 2015
Some reported getting the SettingWithCopyWarning with this code.
However, the code still runs perfectly with the current pandas version 0.16.1.
>>> sLength = len(df...
Understanding REST: Verbs, error codes, and authentication
...the UPDATE statement in a relational database.
My instinct would be to do a GET call
to a URL like
/api/users/1/activate_login
This goes against a very core REST principle: The correct usage of HTTP verbs. Any GET request should never leave any side effect.
For example, a GET request sho...
Null vs. False vs. 0 in PHP
...good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
18 Answ...