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How to differ sessions in browser-tabs?
...of accounts stored in cookies, google mail is just storing all cookies and select one according to the url.
– Mhmd
Oct 25 '14 at 0:57
5
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Is “IF” expensive?
...nation on Cell Performance. Another fun one is this post about branchless selections on the Real Time Collision Detection Blog.
In addition to the excellent answers already posted in response to this question, I'd like to put in a reminder that although "if" statements are considered expensive low...
Querying DynamoDB by date
... // More code here
}
});
Essentially your query looks like:
SELECT * FROM TABLE WHERE DataID = "some_id" AND Created > timestamp;
The secondary Index will increase the read/write capacity units required so you need to consider that. It still is a lot better than doing a scan, whi...
Combining two expressions (Expression)
... .ReplacePar("parAdrZ", ExprAdres("Z").Body);
return UBEZPIECZONY.Select((Expression<Func<UBEZPIECZONY, UbezpExt>>)expr2);
}
}
And this is the subexpression building code:
public static Expression<Func<UBEZPIECZONY, UBEZP_ADRES>> ExprAdres(string sTyp)
{
r...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...aping quote will be trimmed (in the 21st character). Then the SQL
sSQL = "select * from USERS where username = '" + username + "' and password = '" + password + "'"
combined with the aforementioned malformed username will result in the password already being outside the quotes, and will just con...
Undo git reset --hard with uncommitted files in the staging area
... solution. In case of PHPstorm I just had to right click the directory and select show local history and then revert to the last valid state.
– Shalom Sam
Sep 22 '14 at 4:44
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Android: alternate layout xml for landscape mode
...clicking on the button in the visual editor shown in the screenshot below. Select "Create Landscape Variation"
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MsDeploy is returning 403 forbidden
...tall WebDeploy first if you've already tried to install it. From the WebPI select: "Web Deploy 3.6 for Hosting Servers".
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Append text to input field
...ple, but I would add one extra note to it. You should really cache jQuery selections, there is no reason to call $("#input-field-id") twice:
var input = $( "#input-field-id" );
input.val( input.val() + "more text" );
The other option, .val() can also take a function as an argument. This has the...
Using Rails 3.1 assets pipeline to conditionally use certain css
...r the entirety of the stylesheets. I'm not sure if there's another way to selectively include part of the styles unless it's on a separate stylesheet. At least this way we compile to only a handful of CSS files.
– gcastro
Sep 8 '11 at 17:16
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