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Catching an exception while using a Python 'with' statement
...
from __future__ import with_statement
try:
with open( "a.txt" ) as f :
print f.readlines()
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print 'oops'
If you want different handling for errors from the open call vs the working...
How to move a file?
...We have a folder at /opt/awesome called source with one file named awesome.txt.
in /opt/awesome
○ → ls
source
○ → ls source
awesome.txt
python
>>> source = '/opt/awesome/source'
>>> destination = '/opt/awesome/destination'
>>> import os
>>> os.rename(...
How can I generate a list of files with their absolute path in Linux?
...@kubenode1 ssl]# ls -1 -d "$PWD/"*
/etc/kubernetes/folder/file-test-config.txt
/etc/kubernetes/folder/file-test.txt
/etc/kubernetes/folder/file-client.txt
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How do you underline a text in Android XML?
...
Use this:
TextView txt = (TextView) findViewById(R.id.Textview1);
txt.setPaintFlags(txt.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
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Python string.replace regular expression [duplicate]
...iginal file will have something like: interfaceOpDataFile SomeDummyFile.txt and I will want to replace it with: interfaceOpDataFile SomeUsefulFile.txt If I don't include the anchors how will replace know that I want to get rid of SomeDummyFile.txt?
– Troy Rockwoo...
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...
Excel Date to String conversion
...oText Selection
End Sub
Sub toText(target As range)
Dim cell As range
Dim txt As String
For Each cell In target
txt = cell.text
cell.NumberFormat = "@"
cell.Value2 = txt
Next cell
End Sub
sh...
How to open every file in a folder?
...e pattern using the glob module:
import glob
for filename in glob.glob('*.txt'):
with open(os.path.join(os.cwd(), filename), 'r') as f: # open in readonly mode
# do your stuff
It doesn't have to be the current directory you can list them in any path you want:
path = '/some/path/to/file'...
How does HTTP file upload work?
...e bytes 61 CF 89 62 in UTF-8.
Create files to upload:
echo 'Content of a.txt.' > a.txt
echo '<!DOCTYPE html><title>Content of a.html.</title>' > a.html
# Binary file containing 4 bytes: 'a', 1, 2 and 'b'.
printf 'a\xCF\x89b' > binary
Run our little echo server:
whil...
Find index of last occurrence of a substring in a string
...in your code...
Example: Search of last newline character
>>> txt = '''first line
... second line
... third line'''
>>> txt.rfind('\n')
22
>>> txt.rindex('\n')
22
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