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Binary Data in MySQL [closed]
...mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), filesize($form_data)));
$result = mysql_query("INSERT INTO binary_data (description, bin_data, filename, filesize, filetype) ".
"VALUES...
Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
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How do I redirect output to a variable in shell? [duplicate]
... on one line, but for readability...
series | of | commands \
| \
(
read string;
mystic_command --opt "$string" /path/to/file
) \
| \
handle_mystified_file
Here is what it is doing and why it is important:
Let's pretend that the series | of | commands is a very complicated series of piped comm...
How do I get user IP address in django?
How do I get user's IP in django?
11 Answers
11
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Pointer to pointer clarification
...an address, it returns the object at that memory address. So when you do *ipp = ip2, what you are doing is *ipp get the object at the address held in ipp which is ip1 and then assign to ip1 the value stored in ip2, which is the address of j.
Simply
& --> Address of
* --> Value at
...
Getting a File's MD5 Checksum in Java
...
try (InputStream is = Files.newInputStream(Paths.get("file.zip"))) {
String md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(is);
}
share
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improve this answer
|
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ouldn't assume that blindly). So what does feature? Running GProf on your ostringstream code compiled with GCC gives the following breakdown:
44.23% in std::basic_streambuf<char>::xsputn(char const*, int)
34.62% in std::ostream::write(char const*, int)
12.50% in main
6.73% in std::ostream::s...
How do I get the size of a java.sql.ResultSet?
...NLY,
ResultSet.CONCUR_READ_ONLY);
String from_where="FROM myTable WHERE ...blahblah... ";
//h4x
ResultSet rs=s.executeQuery("select count(*)as RECORDCOUNT,"
+ "cast(null as boolean)as MYBOOL,"
+ ...
Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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Test if remote TCP port is open from a shell script
...ard with alpine linux and ubuntu both. probably others. no need to install extra when you're remoted in and can't. thanks for this! I might add, nc host port -w 2 && echo it works
– std''OrgnlDave
Apr 10 '17 at 14:34
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