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How to increment a datetime by one day?
...ry date, not today. Your example code assigned a variable named today as a string, then never used it. Better: date = datetime.today() 2. Your last line hardcoded today() and assumed the first arg of timedelta is days (which happens to be correct, but why not name it for clarity?) Better: laterDate ...
Size-limited queue that holds last N elements in Java
... of these limited-size queues, like that: Map<Long, LimitedSizeQueue<String>>.
– GreyCat
Apr 15 '11 at 10:52
...
Sorting object property by values
...and you can choose to sort by whatever object property you want, number or string, if you put the objects in an array. Consider this array:
var arrayOfObjects = [
{
name: 'Diana',
born: 1373925600000, // Mon, Jul 15 2013
num: 4,
sex: 'female'
},
{
...
No output to console from a WPF application?
...anagedCodeSecurity]
public static class ConsoleManager
{
private const string Kernel32_DllName = "kernel32.dll";
[DllImport(Kernel32_DllName)]
private static extern bool AllocConsole();
[DllImport(Kernel32_DllName)]
private static extern bool FreeConsole();
[DllImport(Kern...
Label encoding across multiple columns in scikit-learn
...ing to use scikit-learn's LabelEncoder to encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data.
...
How do I format a date with Dart?
I have an instance of DateTime and I would like to format that to a String. How do I do that? I want to turn the date into a string, something like "2013-04-20".
...
Where are static variables stored in C and C++?
...-------------------------
Const Data The const data area stores string literals and
other data whose values are known at compile
time. No objects of class type can exist in
this area. All data in this area is available
...
How to redirect cin and cout to files?
...rks fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
s...
Python (and Python C API): __new__ versus __init__
...he __new__ method is that the instance variable will start out as an empty string, as opposed to NULL. But why is this ever useful, since if we cared about making sure our instance variables are initialized to some default value, we could have just done that in the __init__ method?
Considering the...
Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
... java.net.URL;
public class HTTPSPlayground {
public static void main(String[] args) throws Exception {
URL url = new URL("https:// ... .com");
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
httpURLConnection.setRequestMethod("POST");
...