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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t($socket, -1)) { // 这样设置不超时才油用
static $id = 0;
static $ct = 0;
$ct_last = $ct;
$ct_data = '';
$buffer = '';
$id++; // increase on each accept
echo "Client $id come./n";
...
String.format() to format double in java
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You should give an explanation what the different parts mean.
– Mitulát báti
Mar 25 '19 at 21:37
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Postgres: “ERROR: cached plan must not change result type”
...ostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
3 Answers
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Possible to make labels appear when hovering over a point in matplotlib?
..."ind"] is actually a list of indexes for all points under the curser. This means that the above code actually gives you access to all points at a given position, and not just the top most point. For instance, if you have two overlapping points the text could read 1 2, B C or even 1 2 3, B C D if you...
Process all arguments except the first one (in a bash script)
... #"p4"
Notice the space between ':' and '-', otherwise it means different:
${var:-word} If var is null or unset,
word is substituted for var. The value of var does not change.
${var:+word} If var is set,
word is substituted for var. The value of var does not change.
Which is des...
In Bash, how can I check if a string begins with some value?
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For regex do you mean [[ $a =~ ^z.* ]] ?
– JStrahl
Mar 18 '13 at 7:13
3
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How do I make a checkbox required on an ASP.NET form?
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javascript function for client side validation (using jQuery)...
function CheckBoxRequired_ClientValidate(sender, e)
{
e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked');
}
code-behind for server side validation...
protected void...
What's the best name for a non-mutating “add” method on an immutable collection?
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I'd go with Cons, for one simple reason: it means exactly what you want it to.
I'm a huge fan of saying exactly what I mean, especially in source code. A newbie will have to look up the definition of Cons only once, but then read and use that a thousand times. I fi...
How do I unit test web api action method when it returns IHttpActionResult?
...s to work without intimate knowledge of the controller implementation. Consider the following:
public class MixedCodeStandardController : ApiController {
public readonly object _data = new Object();
public IHttpActionResult Get() {
return Ok(_data);
}
public IHttpActionRe...
Can you get DB username, pw, database name in Rails?
...g the 'parseconfig' gem and some ERB syntax in my database.yml config file means I've got dynamic file that I can feel good about checking into source control and also simplify deployments (in my case). Also note the list of common sockets, this makes it easier to move my app to different operating ...