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Error in finding last used cell in Excel with VBA
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@KeithPark: Please go ahead :) Knowledge only has a meaning if it is spread :)
– Siddharth Rout
Aug 29 '14 at 7:11
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stringstream, string, and char* conversion confusion
...char * is pointing to free'd memory.
Your statement string str(ss.str()); means that the temporary is used in the constructor for the string variable str that you've put on the local stack, and that stays around as long as you'd expect: until the end of the block, or function you've written. Theref...
List columns with indexes in PostgreSQL
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Could someone explain what relkind='r' means?
– Qwerty
Jan 29 '15 at 9:13
5
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Rails: where does the infamous “current_user” come from?
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It is defined by several gems, e.g. Devise
You'll need to store the user_id somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
def current...
What is the main difference between Inheritance and Polymorphism?
...super class" and "subclass" are used loosely here. Polymorphism could also mean inheritance of behavior specified (but not implemented) in an interface.
– Ted Hopp
Feb 6 '17 at 21:28
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using facebook sdk in Android studio
I'm following Facebook SDK for Android using Android Studio . When I run my application I'm getting the below mentioned warning.
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jQuery trigger file input
...hen the <input type="file"/> is set to display:none; or is visbilty:hidden.
So i tried positioning it outside the viewport by setting position:absolute and top:-100px; and voilà it works.
see http://jsfiddle.net/DSARd/1/
call it a hack.
Hope that works for you.
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How do I pass multiple parameters into a function in PowerShell?
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The correct answer has already been provided, but this issue seems prevalent enough to warrant some additional details for those wanting to understand the subtleties.
I would have added this just as a comment, but I wanted to include an illustration--I tore this o...
how to listen to N channels? (dynamic select statement)
... the channel is closed).
You pass in an array of SelectCase structs that identify the channel to select on, the direction of the operation, and a value to send in the case of a send operation.
So you could do something like this:
cases := make([]reflect.SelectCase, len(chans))
for i, ch := range...
Should I put #! (shebang) in Python scripts, and what form should it take?
...in /usr/bin. If python is installed in a non-standard place then it likely means that python is setup in a non-standard way and that the script should fail fast as a result. As opposed to making assumptions about the properties of the python interpreter and hoping for the best.
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