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Max length for client ip address [duplicate]
... you want to do a lookup, for example, to see if the IP address is in some table, you need a "canonical representation." Converting the entire thing to a (large) number is the right thing to do. IPv4 addresses can be stored as a long int (32 bits) but you need a 128 bit number to store an IPv6 add...
Updating Bootstrap to version 3 - what do I have to do?
...d result. Do not think about just span12, think about all span*, all navs, tables and more more, think about a heavy deep use of bootstrap
– albanx
Nov 15 '13 at 9:35
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Why does PHP consider 0 to be equal to a string?
...cond is a string ('e'), the string is also converted to a number (see also table Comparison with Various Types). The manual page on the string data type defined how the string to number conversion is done:
When a string is evaluated in a numeric context, the resulting value and type are determin...
Convert date to datetime in Python
...That is because what it does is first retrieving the minimum value representable by datetime and then getting its time component. Incidentally, datetime.min = datetime(MINYEAR, 1, 1, tzinfo=None) and has a time of 00:00:00. However, I think it is cleaner to explicitly create a 00:00:00 time either t...
Dynamically select data frame columns using $ and a character value
...ldname)) {
print("Bad file column name")
}
# Here we use the hash table implementation where
# we have a string key and list value so we need actual strings,
# not Factors
file[cptcodefieldname] = as.character(file[cptcodefieldname])
file[icdcodefieldname] = as.character(file[icdcodefieldn...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...n easily use different themes and you allow your application to be more portable. appcropolis-project resources css blue-theme background.png images background.png blue-theme.css my-index.css js my-index.js my-contact-info.js images products computer.jpg cellphone.png printer.jpg my-c...
How to check if mysql database exists
...s annoying because if the database does exist any following code to define tables will bomb. I can't see how the command is useful.
– Keir
May 28 '18 at 3:53
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how to find host name from IP with out login to the host
...server(s), so it's common to see the same hostnames in a DHCP client least table and in the DNS server's A (or AAAA for IPv6) records. Again, this is usually done as part of zeroconf.
Also note that just because a DHCP lease exists for a client, doesn't mean it's still being used.
NetBIOS for TCP/...
How to get the browser viewport dimensions?
...eight on mobile devices, really tripleodeon.com/wp-content/uploads/2011/12/table.html
– Dan
Jul 31 '13 at 10:57
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How do I truncate a .NET string?
...t its length is not longer than a given value. I am writing to a database table and want to ensure that the values I write meet the constraint of the column's datatype.
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