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Can functions be passed as parameters?
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Yes, consider some of these examples:
package main
import "fmt"
// convert types take an int and return a string value.
type convert func(int) string
// value implements convert, returning x as string.
func value(x int) string {
return fmt.Sprintf("%v", x)
}
// quote123 passes 123 to c...
How to convert milliseconds into human readable form?
I need to convert an arbitrary amount of milliseconds into Days, Hours, Minutes Second.
19 Answers
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SQL Server: Get table primary key using sql query [duplicate]
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Using information_schema (in contrast to the sys. views) is always a good idea as it is the official standard and is implemented in a couple other database systems.
– jakubiszon
Nov 4 '17 at 17:49
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Check to see if python script is running
...nd check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
print "%s already exists, exiting" % pidfile
sys.exit()
file(pidfile, 'w').write(pid)
try:
# Do some actual work here
finally:...
Easiest way to convert int to string in C++
What is the easiest way to convert from int to equivalent string in C++. I am aware of two methods. Is there any easier way?
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Convert decimal to binary in python [duplicate]
Is there any module or function in python I can use to convert a decimal number to its binary equivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself?
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How to convert an int array to String with toString method in Java [duplicate]
...parated by the characters ", " (a comma followed by a space). Elements are converted to strings as by String.valueOf(int). Returns "null" if a is null.
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How to convert Nonetype to int or string?
... of their presence (which is totally acceptable behavior), you may need to convert None to 0 (see kindall answer)
– spider
Nov 28 '13 at 17:02
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Converting pixels to dp
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// Converts 14 dip into its equivalent px
float dip = 14f;
Resources r = getResources();
float px = TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
dip,
r.getDisplayMetrics()
);
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ValueError: invalid literal for int() with base 10: ''
...epresentation of a float to an int, as @katyhuff points out above, you can convert to a float first, then to an integer:
>>> int('5')
5
>>> float('5.0')
5.0
>>> float('5')
5.0
>>> int(5.0)
5
>>> float(5)
5.0
>>> int('5.0')
Traceback (most recent...