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How to print a date in a regular format?
...'We are the 22, Nov 2008'
The advantage of this form is that you can also convert other objects at the same time.
With the introduction of Formatted string literals (since Python 3.6, 2016-12-23) this can be written as
import datetime
f"{datetime.datetime.now():%Y-%m-%d}"
>>> '2017-06-15'
...
Alternatives to gprof [closed]
...file or the console, which was erroneously thought to be insignificant. 2) Converting between text and doubles in numeric IO. 3) Subterranean IO extracting internationalized strings during startup, strings that it turns out did not need to be internationalized. I've hit lots of examples like these.
...
What does Html.HiddenFor do?
...]
public ActionResult Edit(FormCollection collection)
{
ViewModel.ID = Convert.ToInt32(collection["ID"]);
}
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startsWith() and endsWith() functions in PHP
...f strpos() may cause unexpected results: "If needle is not a string, it is converted to an integer and applied as the ordinal value of a character."
– quietmint
Dec 3 '12 at 3:47
...
How do I kill background processes / jobs when my shell script exits?
...tus and a cleanup function.
trap "exit" INT TERM
trap "kill 0" EXIT
Why convert INT and TERM to exit? Because both should trigger the kill 0 without entering an infinite loop.
Why trigger kill 0 on EXIT? Because normal script exits should trigger kill 0, too.
Why kill 0? Because nested subshe...
Why use 'virtual' for class properties in Entity Framework model definitions?
...ch. These are called getters and setters and at compilation time, they are converted into methods.
//Internally the code looks more like this:
public ICollection<RSVP> get_RSVPs()
{
return _RSVPs;
}
public void set_RSVPs(RSVP value)
{
_RSVPs = value;
}
private RSVP _RSVPs;
That's...
How to import an excel file in to a MySQL database
...abase named mydatabase.
Select the relevant cells:
Paste into Mr. Data Converter and select the output as MySQL:
Change the table name and column definitions to fit your requirements in the generated output:
CREATE TABLE sales (
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
Country VARCHAR...
What is the difference between currying and partial application?
...
Currying is converting a single function of n arguments into n functions with a single argument each. Given the following function:
function f(x,y,z) { z(x(y));}
When curried, becomes:
function f(x) { lambda(y) { lambda(z) { z(x(y));...
Entity Framework: There is already an open DataReader associated with this Command
...y loading (IQueriable).
foreach (var user in _dbContext.Users)
{
}
Converting the IQueriable collection into other enumerable collection will solve this problem.
example
_dbContext.Users.ToList()
Note: .ToList() creates a new set every-time and it can cause the performance issue if you a...
Received an invalid column length from the bcp client for colid 6
...h match = Regex.Match(ex.Message.ToString(), pattern);
var index = Convert.ToInt32(match.Value) -1;
FieldInfo fi = typeof(SqlBulkCopy).GetField("_sortedColumnMappings", BindingFlags.NonPublic | BindingFlags.Instance);
var sortedColumns = fi.GetValue(bulkCopy);
var it...