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How many socket connections can a web server handle?
...al or dedicated hosting, I read somewhere a server/machine can only handle 64,000 TCP connections at one time, is this true? How many could any type of hosting handle regardless of bandwidth? I'm assuming HTTP works over TCP.
...
How to check if any flags of a flag combination are set?
... {
CheckIsEnum<T>(true);
long lValue = Convert.ToInt64(value);
long lFlag = Convert.ToInt64(flag);
return (lValue & lFlag) != 0;
}
public static IEnumerable<T> GetFlags<T>(this T value) where T : struct
{
CheckIsEnum<T>...
Programmatically get the cache line size?
...
@android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman K
Aug 8 '13 ...
How to escape a JSON string to have it in a URL?
...ndy in certain situations.
Rather than URL-encoding the data, you can base64-encode it. The benefit of this is the encoded data is very generic, consisting only of alpha characters and sometimes trailing ='s. Example:
JSON array-of-strings:
["option", "Fred's dog", "Bill & Trudy", "param=3"]...
Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
...ntelliJ 13 after upgrading from 12.
What worked for me was editing the idea64.vmoptions in the bin folder and setting the max heap to 8 GB (was 512 MB) and the Max PermGen to at least 1GB (was 300MB).Example below:
-Xms128m
-Xmx8192m
-XX:MaxPermSize=1024m
Upon restart it was much faster.
For Int...
How to convert An NSInteger to an int?
...r = 42;
int myInt = (int) myInteger;
NSInteger is nothing more than a 32/64 bit int. (it will use the appropriate size based on what OS/platform you're running)
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Hash and salt passwords in C#
...must convert a hash to its string representation you can use Convert.ToBase64String and Convert.FromBase64String to convert it back.
You should note that you cannot use the equality operator on byte arrays, it checks references and so you should simply loop through both arrays checking each byte th...
Enum type constraints in C# [duplicate]
...
Eric LippertEric Lippert
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Convert Data URI to File then append to FormData
...a dataURI to a Blob:
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = une...
Preview an image before it is uploaded
...
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type...