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How is it possible to declare nothing inside main() in C++ and yet have a working application after
...ariable ignore has to be initialized before entering into main() function. Now in order to initialize the global, print_fibs() needs to be executed where you can do anything — in this case, compute fibonacci numbers and print them! A similar thing I've shown in the following question (which I had ...
Ruby: kind_of? vs. instance_of? vs. is_a?
...erson.is_an? Administrator :)... That might have made it into Ruby core by now, actually.
– rfunduk
Oct 8 '10 at 19:18
...
Read text file into string array (and write)
...try to use the line reader directly in your project (especially if do not know how large the text file is!). But if the file is small, the following example might be sufficient for you:
package main
import (
"os"
"bufio"
"bytes"
"fmt"
)
// Read a whole file into the memory and sto...
What is the difference between a schema and a table and a database?
...grant rights on the schema.
In 2000 a schema was equivalent to a user. Now it has broken free and is quite useful. You could throw all your user procs in a certain schema and your admin procs in another. Grant EXECUTE to the appropriate user/role and you're through with granting EXECUTE on spec...
Copy constructor versus Clone()
...ow clone, thus the interface is semantically broken as your callers won't know whether the call will deep or shallow clone the object.
Instead, you should define your own IDeepCloneable (and IShallowCloneable) interfaces with DeepClone() (and ShallowClone()) methods.
You can define two interfaces,...
Cookies vs. sessions
...than simplicity. Look at it this way... Does the user have any reason to know their ID#? Typically I would say no, the user has no need for this information. Giving out information should be limited on a need to know basis. What if the user changes his cookie to have a different ID, how will you...
What is the difference between .map, .every, and .forEach?
...
.forEach() returns nothing is wrong now, maybe it wasnt in 2012 but in 2015 in Chrome at least, try this arr2 = ['sue', 'joe', 'ben', 'guy', 'tom', 'jon']; b = arr2.forEach( function(el, indx) { console.log(indx + ' : ' + el); }); console.log(b);
...
Update one MySQL table with values from another
...), so I took your and noodl's advice about the indexes and the whole query now finishes in under a second. I can't believe the difference!? Thanks so much for your help; I've learnt a lot!
– Superangel
Apr 20 '11 at 13:47
...
Django Cookies, how can I set them?
...n a location
the visitor chooses. e.g: User enters in 55812 as the zip. I know what
city and area lat/long. that is and give them their content pertinent
to that area. My question is how can I store this in a cookie so that
when they return they are not required to always enter their zip code?
...
Dynamic cell width of UICollectionView depending on label width
...
You cannot imagine how I thank you! That really works. Now I only need to resolve [cell.myLabel sizeToFit] problem, because it appears in its full size only after scrolling. But I have not been even close to your solution.
– pulp
Apr 17 '14 ...