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I use vectors, lists, strings and wstrings obsessively in my code. Are there any catch 22s involved that should make me more interested in using arrays from time to time, chars and wchars instead?
Basically, if working in an environment which supports...
Started by meds on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Even with vector and string when you access an element by index you need to first retrieve the buffer address... .
One problem is the overhead when accessing elements.
They are safer than chars.
If you don't need real time responses, stick with your approach .
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In SQL Server, what are Instead Of triggers?
Started by tush1r on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Instead Of Triggers are attached to a table in a similar way, but the code inside them is executed in place of the original updating statement.
From Database Journal :
What are "Instead Of" triggers?
In previous versions of SQL Server.
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I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?
Started by Spoike on
, 11 posts
by 11 people.
Answer Snippets (Read the full thread at stackoverflow):
Using....
Using px to define width Here is an illustrating as it is locked to 50px .
So a good practice is to use em's instead.
It is wrong + + or Ctrl + -.
If they would have used em units instead of px, there would not have been a problem.
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Why should I use function __construct() instead of function className() in PHP 5?
Started by Click Upvote on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
You extend a class, you use base for calling base class constructors instead of a named object.
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Under what conditions should you choose tables instead of DIVs in HTML coding?
Started by Krishna Kumar on
, 25 posts
by 24 people.
Answer Snippets (Read the full thread at stackoverflow):
Possibly most importantly, you.
Classes defined in your CSS; you can target the tags directly instead.
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How could I get the value of a element by name instead of by ID eg if I use by id it would be $('#id').val();
Started by Roland on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Use the name attribute selector:
$("input[name=nameGoesHere]").val();
$('[name=whatever]').val()
The jQuery documentation is your friend. .
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Why should I use <?php instead of <? in my php script?
Started by Bigballs on
, 13 posts
by 13 people.
Answer Snippets (Read the full thread at stackoverflow):
It should be noted that some server configurations....
<? is simply a shortcut for the full syntax.
This is essentially a dupe of http://stackoverflow.com/questions/436688/difference-between-php-echo-sessionid-and-sessionid
Both are semantically the same .
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How do you setup ssh to authenticate a user using keys instead of a username / password?
Started by ScArcher2 on
, 9 posts
by 9 people.
Answer Snippets (Read the full thread at serverfault):
Then they need to put the contents of their public key ( id_rsa... .
For each user: they should generate (on their local machine) their keypair using ssh-keygen -t rsa (the rsa can be replaced with dsa or rsa1 too, though those options are not recommended) .
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Is there a performance penalty for working with a vector from the standard library in C++ instead of arrays in C?
Started by Dzhelil Rufat on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Fixed-sized arrays in C will have the slight advantage that their address is fixed after linking (if ... .
No, there's not (provided you compile with optimization so inlining can happen), provided you mean dynamically sized C "arrays" obtained with malloc .
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In a SharePoint document library, is there any way to store the documents on the file system instead of the database?
Started by ryan on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
\\url\sites\yoursite\folder\
You could also write a custom ....
That said, you can access the files with a UNC path that masks the fact that they are stored in the database .
Documents in a SharePoint document library will always be hosted in the database .
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