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Difference between -pthread and -lpthread while compiling
...talled on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc -E -dM test.c > dm.nopthread.txt
$ diff dm.pthread.txt dm.nopthread.txt
152d151
< #define _REENTRANT 1
208d206
< #define __USE_REENTRANT 1
Using the -lpthread option only causes the pthread libr...
MySQL dump by query
...-e "select * from myTable" -u myuser -pxxxxxxxx mydatabase > mydumpfile.txt
Update:
Original post asked if he could dump from the database by query. What he asked and what he meant were different. He really wanted to just mysqldump all tables.
mysqldump --tables myTable --where="id < 1000"...
How to find the extension of a file in C#?
...
Path.GetExtension
string myFilePath = @"C:\MyFile.txt";
string ext = Path.GetExtension(myFilePath);
// ext would be ".txt"
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Change URL and redirect using jQuery
...
you can do it simpler without jquery
location = "https://example.com/" + txt.value
function send() {
location = "https://example.com/" + txt.value;
}
<form id="abc">
<input type="text" id="txt" />
</form>
<button onclick="send()">Send</button>
...
Given a URL to a text file, what is the simplest way to read the contents of the text file?
...o read line-by-line. You can get the whole thing like this:
import urllib
txt = urllib.urlopen(target_url).read()
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How to find all links / pages on a website
...
Check out linkchecker—it will crawl the site (while obeying robots.txt) and generate a report. From there, you can script up a solution for creating the directory tree.
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Why use finally in C#?
...try{
StreamReader strReader = new StreamReader(@"C:\Ariven\Project\Data.txt");
Console.WriteLine(strReader.ReadeToEnd());
StreamReader.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
in the above example if the file called Data.txt is missing, an exception will be thro...
Batch script loop
...of the loop, do this:
for /l %x in (1, 1, 100) do (
echo %x
copy %x.txt z:\whatever\etc
)
or in a batch file
for /l %%x in (1, 1, 100) do (
echo %%x
copy %%x.txt z:\whatever\etc
)
Key:
/l denotes that the for command will operate in a numerical fashion, rather than operating on a s...
How do I get the file name from a String containing the Absolute file path?
...s in Apache Commons IO :
String name1 = FilenameUtils.getName("/ab/cd/xyz.txt");
String name2 = FilenameUtils.getName("c:\\ab\\cd\\xyz.txt");
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CSS div element - how to show horizontal scroll bars only?
...
.box-author-txt {width:596px; float:left; padding:5px 0px 10px 10px; border:1px #dddddd solid; -moz-border-radius: 0 0 5px 5px; -webkit-border-radius: 0 0 5px 5px; -o-border-radius: 0 0 5px 5px; border-radius: 0 0 5px 5px; overflow-x: s...