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How do I loop through a date range?
...me> step = null)
{
return from.RangeTo(to, step);
}
}
Extras
You could throw an Exception if the fromDate > toDate, but I prefer to return an empty range instead []
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How to set up a PostgreSQL database in Django
...org/psycopg/, then install it under Python PATH
After downloading, easily extract the tarball and:
$ python setup.py install
Or if you wish, install it by either easy_install or pip.
(I prefer to use pip over easy_install for no reason.)
$ easy_install psycopg2
$ pip install psycopg2
Config...
View markdown files offline [closed]
... thanks, a Chrome extension would always be useful; no need to use extra software
– Avi
Sep 26 '13 at 1:55
39
...
throwing exceptions out of a destructor
... ~Bad2()
{
throw 1;
}
};
int main(int argc, char* argv[])
{
try
{
Bad bad;
}
catch(...)
{
std::cout << "Print This\n";
}
try
{
if (argc > 3)
{
Bad bad; // This destructor will thr...
How to add and get Header values in WebApi
...r headers = re.Headers;
if (headers.Contains("Custom"))
{
string token = headers.GetValues("Custom").First();
}
return null;
Output -
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How to get package name from anywhere?
...he main activity's onCreate() method:
Global to the class:
public static String PACKAGE_NAME;
Then..
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
PACKAGE_NAME = getApplicationContext().getPackageName(...
How to iterate over a JSONObject?
...elp:
JSONObject jsonObject = new JSONObject(contents.trim());
Iterator<String> keys = jsonObject.keys();
while(keys.hasNext()) {
String key = keys.next();
if (jsonObject.get(key) instanceof JSONObject) {
// do something with jsonObject here
}
}
...
Is DateTime.Now the best way to measure a function's performance?
...rformance counter doesn't exist) Stopwatch is using DateTime.UtcNow + some extra processing. Because of that it's obvious that in that case DateTime.UtcNow is the best option (because other use it + some processing)
However, as it turns out, the counter almost always exists - see Explanation about ...
How do you effectively model inheritance in a database?
...t elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
table Person
------------
int id (PK)
string firstname
string lastname
table Employe...
Access properties file programmatically with Spring?
...code, there is the @Value annotation:
@Value("${settings.some.property}")
String someValue;
To access placeholders From SPEL use this syntax:
#('${settings.some.property}')
To expose configuration to views that have SPEL turned off, one can use this trick:
package com.my.app;
import java.uti...