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Python - write() versus writelines() and concatenated strings
...ch string in its own line:
lines = ['line1', 'line2']
with open('filename.txt', 'w') as f:
f.write('\n'.join(lines))
This takes care of closing the file for you. The construct '\n'.join(lines) concatenates (connects) the strings in the list lines and uses the character '\n' as glue. It is mor...
How to use sed to replace only the first occurrence in a file?
...nu>/s/<Menu>/<Menu><Menu>Sub menu<\/Menu>/' try.txt > abc.txt
Editor's note: both work with GNU sed only.
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Populate data table from data reader
...
using (StreamWriter writer = new StreamWriter("result_sql_compare.txt"))
{
writer.WriteLine("10000 rows");
writer.WriteLine("Sql Data Adapter 100 times table fill speed 10000 rows: {0} milliseconds", AdapterFillLargeTableTime);
writer.WriteLine("S...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...ce documentation:
/usr/src/linux-2.6.37-rc3/Documentation/filesystems/proc.txt
1.7 TTY info in /proc/tty
-------------------------
Information about the available and actually used tty's can be found in the
directory /proc/tty.You'll find entries for drivers and line disciplines in
this dire...
The Concept of 'Hold space' and 'Pattern space' in sed
...hat I'm able to do with sed:
sed -n '/Host:/{h}; /Info/{x;p;x;p;}' myfile.txt
output looks like:
Host: foo1
Info: about foo1 that I really care about!!
Host: foo1
Info: a second line about foo1 that I really care about!!
Host: foo2
Info: about foo2 that I really care about!!
(Note that Host: f...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...ssed. For example, for a UTF-8 file:
import io
with io.open("my_utf8_file.txt", "r", encoding="utf-8") as my_file:
my_unicode_string = my_file.read()
my_unicode_string would then be suitable for passing to Markdown. If a UnicodeDecodeError from the read() line, then you've probably used the...
Verify a certificate chain using openssl verify
...is command:
$ openssl verify -CAfile letsencrypt-root-cert/isrgrootx1.pem.txt -untrusted letsencrypt-intermediate-cert/letsencryptauthorityx3.pem.txt /etc/letsencrypt/live/sitename.tld/cert.pem
/etc/letsencrypt/live/sitename.tld/cert.pem: OK
...
How to create the branch from specific commit in different branch
...nch dev,
Second, you start a new branch on commit 07aeec98. There is no bb.txt at this commit (according to your github repo).
If you want to start a new branch at the location you have just checked out, you can either run branch with no start point:
git branch test
or as other have answered, b...
Getting RAW Soap Data from a Web Reference Client running in ASP.net
... sr.Dispose();
File.WriteAllText(@"C:\test.txt", response);
byte[] ResponseBytes = Encoding.ASCII.GetBytes(response);
MemoryStream ms = new MemoryStream(ResponseBytes);
return ms;
}
else
...
Is VB really case insensitive?
...DE) but case insensitive. It's like Windows file system in a way. Hello.txt and hello.txt are considered to be the same file name.
The IDE assumes that the declaration a variable is the "correct" case for that variable, and adjusts every instance of that variable match the declaration. It does ...