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Scaling Node.js
...rmance because it compiles to C code inside node. Here are some benchmarks from redis when used with hiredis.
PING: 20000 ops 46189.38 ops/sec 1/4/1.082
SET: 20000 ops 41237.11 ops/sec 0/6/1.210
GET: 20000 ops 39682.54 ops/sec 1/7/1.257
INCR: 20000 ops 40080.16 ops/sec 0/8/1.242
LPUSH: 20000 ops 41...
Overflow Scroll css is not working in the div
...verflow-y:scroll;
position:relative;
height: 300px;
}
JSFIDDLE
From documentation:
overflow-y
The overflow-y CSS property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the top and bottom edges.
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How to set Java environment path in Ubuntu
... perfect! thank you. NB: You might want to remove the default openJDK from your system as it appears first in the global path. So after the above script is loaded, you will only pic-up "javac" not java, because of the default openjk-jre. ~sudo apt-get remove openjdk-*~
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In Ruby how do I generate a long string of repeated text?
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@Steven From Ruby's perspective, "0" * 999999 is treated as "0".*(999999) where * is a method in the String class. That method accepts numbers as valid arguments to perform string replication. When you reverse the expression, we get ...
Can I try/catch a warning?
I need to catch some warnings being thrown from some php native functions and then handle them.
11 Answers
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MSSQL Error 'The underlying provider failed on Open'
... the EF data model it created a connection string that uses the login data from the Data Connections in VS . No user or password was in the connection string so , remove Integrated Security=True and replace it with user id=sa;password=notmyrealpassword to fix this deployment issue .
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express throws error as `body-parser deprecated undefined extended`
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As from Express version 4.16.0, you're expected to pass in extended property inside the bodyParser.urlencoded()
// parse JSON-encoded bodies and URL-encoded bodies
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ ex...
Superscript in CSS only?
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The following is taken from Mozilla Firefox's internal html.css:
sup {
vertical-align: super;
font-size: smaller;
line-height: normal;
}
So, in your case it would be something, like:
.superscript {
vertical-align: super;
font-size: sm...
Designer Added then removed by Visual Studio on load/unload
... vote the bug report as it is still active and might get a better response from MS with enough up votes.
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How to determine if object is in array [duplicate]
...s you specify no jQuery, you could just make a derivative of the function. From the source code:
function grepArray( elems, callback, inv ) {
var ret = [];
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, length = elems.len...