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Why does InetAddress.isReachable return false, when I can ping the IP address?
Why does isReachable return false ? I can ping the IP.
10 Answers
10
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Get the value of checked checkbox?
...ry:
var checkedValue = $('.messageCheckbox:checked').val();
Pure javascript without jQuery:
var checkedValue = null;
var inputElements = document.getElementsByClassName('messageCheckbox');
for(var i=0; inputElements[i]; ++i){
if(inputElements[i].checked){
checkedValue = inputEl...
SQL Server, convert a named instance to default instance?
...ing without using the instance name, and using only the server name and/or IP address, then you can do the following:
Open SQL Server Configuration Manager
Click SQL Server Network Configuration
Click Protocols for INSTANCENAME you want to make available (i.e. SQLExpress)
Right-click TCP/IP and cl...
How to use the C socket API in C++ on z/OS
...socklen_t sock_len;
private struct sockaddr_in server_addr;
public char *server_ip;
public unsigned short server_port;
};
Then have methods for opening, closing, and sending packets down the socket.
For example, the open call might look something like this:
int my_socket_connect()
{
...
How does the main() method work in C?
...stom-generate the __start function (or whatever it is called), or at least select one from several pre-compiled alternatives. Information could be stored in the object file about which of the supported forms of main is being used. The linker can look at this info, and select the correct version of ...
Most efficient way to remove special characters from string
...formance is highly important, I recommend you to do some benchmarks before selecting the "regex path"...
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Calculate a MD5 hash from a string
... (
Encoding.UTF8.GetBytes(observedText)
)
select ba.ToString("x2")
);
}
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Get bitcoin historical data [closed]
I want to do my own bitcoin chart.
7 Answers
7
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What does the C++ standard state the size of int, long type to be?
...header for them, download or make one, preferably with either compile time selection of such types or static assertions to verify the size. pubs.opengroup.org/onlinepubs/009695299/basedefs/stdint.h.html If the precise sizes aren't so important and you only care they're at least that big, then your...
HTTP 1.0 vs 1.1
...s, but haven't been able to pull out a lot of difference between them. Wikipedia says this:
8 Answers
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