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How to replace a single word under cursor?
...like vim interprets / and . as end of the word and won't select the entire string.
– Alexander Cska
May 1 at 21:47
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MySQL INNER JOIN select only one row from second table
I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
Function overloading by return type?
...e modern languages. The usual objection is that in code like
int func();
string func();
int main() { func(); }
you can't tell which func() is being called. This can be resolved in a few ways:
Have a predictable method to determine which function is called in such a situation.
Whenever such a ...
SQL Server 2008: How to query all databases sizes?
I have MS SQL 2008 R2, 500 databases.
What is the most efficient, easiest and 'modern' way to query all databases sizes.
14...
How to send an email with Python?
...nvelope header.
s = smtplib.SMTP('localhost')
s.sendmail(me, [you], msg.as_string())
s.quit()
For sending email to multiple destinations, you can also follow the example in the Python documentation:
# Import smtplib for the actual sending function
import smtplib
# Here are the email package modu...
How to check if object property exists with a variable holding the property name?
...
The "in" operator does not work with strings. e.g. 'length' in 'qqq' will produce an exception. So if you want a general purpose check you need to use hasOwnProperty.
– Jacob
Jun 19 '14 at 17:55
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How do I unset an element in an array in javascript?
... arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus:
var myArray = [];
myArray["bar"] = true;
myArray[...
Can multiple different HTML elements have the same ID if they're different elements?
..., where the IDs under the parent would be unique. eg $('div#car span#size) and $('div#truck span#size').
– BJury
Jul 2 '14 at 11:33
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Difference between Document-based and Key/Value-based databases?
...t. JSON also supports arrays and understands different data types, such as strings, numbers and boolean values.
Querying
I believe column-family stores can only be queried by key, or by writing map-reduce functions. You cannot query the values like you would in an SQL database. If your application...
Passing a function with parameters as a parameter?
...
@FerdinandBeyer , lets say myvar is a string and its changed between two consecutive invocations of passing changeViewMode as a closure, but changeViewMode always receives the first value of myvar , I want to call closure function with different argument value ...