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How to parse a string into a nullable int
...bject value)
{
try { return (T)System.ComponentModel.TypeDescriptor.GetConverter(typeof(T)).ConvertFrom(value.ToString()); }
catch { return default(T); }
}
This approach can still be used for non-nullable parses as well as nullable:
enum Fruit { Orange, Apple }
var res1 = Parse<Fruit&g...
How do I convert this list of dictionaries to a csv file?
...find it is more tolerant of encoding issues, and pandas will automatically convert string numbers in CSVs into the correct type (int,float,etc) when loading the file.
import pandas
dataframe = pandas.read_csv(filepath)
list_of_dictionaries = dataframe.to_dict('records')
dataframe.to_csv(filepath)
...
List to array conversion to use ravel() function
I have a list in python and I want to convert it to an array to be able to use ravel() function.
6 Answers
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How to automatically start a service when running a docker container?
...th tail it works. For both cases you need to use switch cap_add(--cap-add SYS_PTRACE for run) with at least SYS_PTRACE
– zhrist
Nov 10 '17 at 19:48
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Pretty printing XML in Python
...
Nice! Can collapse this to a one liner: python -c 'import sys;import xml.dom.minidom;s=sys.stdin.read();print xml.dom.minidom.parseString(s).toprettyxml()'
– Anton I. Sipos
Apr 17 '12 at 22:17
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Why would json_encode return an empty string
... problem, but see note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8ize($d) {
if (is_array($d)) {
foreach ($d as $k => $v) {
$d[$k] = utf8ize($v);
}
} else if (is_string ($d)) {
...
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
... return in a ToString() as it is a static method. You can replace it with Convert.ToString() that can enable null value.
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...eb2e605c6c02d29a88563 linux-master.tar
real 0m1.685s
user 0m1.528s
sys 0m0.156s
$ time md5sum linux-master.tar
d476375abacda064ae437a683c537ec4 linux-master.tar
real 0m2.942s
user 0m2.806s
sys 0m0.136s
$ time sum linux-master.tar
36928 810240
real 0m2.186s
user 0m1.9...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
..."bool" : @(YES)};
NSDictionary *r3 = @{@"bool" : @((BOOL)true)};
Then we convert it to JSON string before sending as
NSData *data = [NSJSONSerialization dataWithJSONObject:requestParams options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding...
How to Execute a Python File in Notepad ++?
...nager. I'm using N++ 6.9.2
Save a new file as new.py
Type in N++
import sys
print("Hello from Python!")
print("Your Python version is: " + sys.version)
Press Alt+Shift+F5
Simple as that.
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