大约有 5,475 项符合查询结果（耗时：0.0121秒） [XML]
When is it appropriate to use UDP instead of TCP? [closed]
...ecords to return with each individual client request to be 1, 10, and then 100 (three test runs with each protocol). The server was only two hops away over a 100Mbit LAN. The numbers seemed to agree with what others have found in the past (UDP is about 5% faster in most situations). The total tim...
How to find the JVM version from a program?
...IDE/sts-bundle/sts-3.7.2.RELEASE//plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -os linux -ws gtk -arch x86_64 -showsplash -launcher /home/.../STS IDE/sts-bundle/sts-3.7.2.RELEASE/STS -name STS --launcher.library /home/.../STS IDE/sts-bundle/sts-3.7.2.RELEASE//plugins/org.eclipse.e...
The object 'DF__*' is dependent on column '*' - Changing int to double
...it might be:
CREATE TABLE Movie (
...
rating INT NOT NULL default 100
)
It will create the constraint for default 100.
If you instead create it like so
CREATE TABLE Movie (
name VARCHAR(255) NOT NULL,
rating INT NOT NULL CONSTRAINT rating_default DEFAULT 100
);
Then you get a nice...
Rails: Using greater than/less than with a where statement
... AaronAaron
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Javascript communication between browser tabs/windows [duplicate]
...elements['message'];
setCookie(t.value);
setTimeout(updateMessage, 100);
}
updateMessage();
//--></script>
receiver.html:
<h1>Receiver</h1>
<p>Watch the text appear in the text box below as you type it in the sender.</p>
<form name="receiver">
<...
Oracle “Partition By” Keyword
... | 50 |
+--------------+---------------+
| Hugo Boss | 100 |
+--------------+---------------+
| No brand | 22 |
+--------------+---------------+
2) The boss says "Now get me a list of all items, with their brand AND number of items that the respective brand...
How to count TRUE values in a logical vector
... made the vector much larger for comparison:
z <- sample(c(TRUE,FALSE),1000000,rep=TRUE)
system.time(sum(z))
user system elapsed
0.03 0.00 0.03
system.time(length(z[z==TRUE]))
user system elapsed
0.75 0.07 0.83
system.time(length(which(z)))
user system elapsed
...
How do I auto-hide placeholder text upon focus using css or jquery?
...m(field.val()) == '') {
field.val('');
span.fadeIn(100);
} else {
span.fadeTo(100, 0);
}
};
field.focus(function () {
span.fadeOut(100);
}).blur(onBlur);
onBlur();
});
css:
.overlabel {
border: 0.1em solid;
color: #a...
How to bind 'touchstart' and 'click' events but not respond to both?
...ouch.
Bind to both, but make a flag so the function only fires once per 100ms or so.
var flag = false;
$thing.bind('touchstart click', function(){
if (!flag) {
flag = true;
setTimeout(function(){ flag = false; }, 100);
// do something
}
return false
});
...
Fixed width buttons with Bootstrap
...
With BS 4, you can also use the sizing, and apply w-100 so that the button can occupy the complete width of the parent container.
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://a...