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Python way of printing: with 'format' or percent form? [duplicate]
...verflow.com/a/3228928/174728. It also lets you do key/index lookups import sys;"{[version]}".format(vars(sys))
– John La Rooy
Dec 7 '14 at 22:24
2
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Pure JavaScript Send POST Data Without a Form
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The [new-ish at the time of writing in 2017] Fetch API is intended to make GET requests easy, but it is able to POST as well.
let data = {element: "barium"};
fetch("/post/data/here", {
method: "POST",
body: JSON.stringify(data)
}).then(res => {
console.log("Request compl...
Python string.replace regular expression [duplicate]
...
As a summary
import sys
import re
f = sys.argv[1]
find = sys.argv[2]
replace = sys.argv[3]
with open (f, "r") as myfile:
s=myfile.read()
ret = re.sub(find,replace, s) # <<< This is where the magic happens
print ret
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How to convert Milliseconds to “X mins, x seconds” in Java?
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Based on @siddhadev's answer, I wrote a function which converts milliseconds to a formatted string:
/**
* Convert a millisecond duration to a string format
*
* @param millis A duration to convert to a string form
* @return A string of the form "X Days Y H...
What is boxing and unboxing and what are the trade offs?
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Boxing & unboxing is the process of converting a primitive value into an object oriented wrapper class (boxing), or converting a value from an object oriented wrapper class back to the primitive value (unboxing).
For example, in java, you may need to convert a...
print call stack in C or C++
...cktrace(3) that simply returns an array of void * (in fact each of these point to the return address from the corresponding stack frame). To translate these to something of use, there's backtrace_symbols(3).
Pay attention to the notes section in backtrace(3):
The symbol names may be unavailable...
How to convert a scala.List to a java.util.List?
How to convert Scala's scala.List into Java's java.util.List ?
9 Answers
9
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How do I convert a dictionary to a JSON String in C#?
I want to convert my Dictionary<int,List<int>> to JSON string. Does anyone know how to achieve this in C#?
13...
How can I use a DLL file from Python?
... easiest way I've found for doing what you ask.
import ctypes
# Load DLL into memory.
hllDll = ctypes.WinDLL ("c:\\PComm\\ehlapi32.dll")
# Set up prototype and parameters for the desired function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, # Return type.
ctypes....
Map enum in JPA with fixed values?
...'ll have to use a provider extension (with Hibernate UserType, EclipseLink Converter, etc). (the second solution). ~or~
You'll have to use the @PrePersist and @PostLoad trick (the first solution). ~or~
Annotate getter and setter taking and returning the int value ~or~
Use an integer attribute at the...