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how to detect search engine bots with php?
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Check the $_SERVER['HTTP_USER_AGENT'] for some of the strings listed here:
http://www.useragentstring.com/pages/useragentstring.php
Or more specifically for crawlers:
http://www.useragentstring.com/pages/useragentstring.php?typ=Crawler
If you want to -say- log the number of ...
Printing hexadecimal characters in C
...rted to int, and to keep the semantical equivalence, the compiler pads the extra bytes with 0xff, so the negative int will have the same numerical value of your negative char. To fix this, just cast to unsigned char when printing:
printf("%x", (unsigned char)variable);
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How to run SQL script in MySQL?
...ssword="yourpassword" < "filepath"
I use it this way because when you string it with "" you avoiding wrong path and mistakes with spaces and - and probably more problems with chars that I did not encounter with.
With @elcuco comment I suggest using this command with [space] before so it tell...
Get bitcoin historical data [closed]
...ebClient = new System.Net.WebClient())
{
var json = WebClient.DownloadString("https://www.bitstamp.net/api/ticker/");
string value = Convert.ToString(json);
// Parse/use from here
}
From here, you can parse the JSON and store it in a database (or with MongoDB insert it directly) and...
Get city name using geolocation
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For V3, the {'latlng':latlng} string should be changed to 'location', as in ...geocode({'location':latlng}). This example got me almost there, but the 'latlng' string no longer seems to be valid in newer apis. See: developers.google.com/maps/documentati...
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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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...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...己的特点来关闭）
setsockopt(sock_fd, IPPROTO_TCP, TCP_NODELAY, (char *)&value,sizeof(int));
另外，网上有些文章说TCP_CORK的socket option是也关闭Nagle算法，这个还不够准确。TCP_CORK是禁止小包发送，而Nagle算法没有禁止小包发送，只是禁止了大...
Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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Repeat string to certain length
What is an efficient way to repeat a string to a certain length? Eg: repeat('abc', 7) -> 'abcabca'
13 Answers
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