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Django ModelForm: What is save(commit=False) used for?
... if attachment.filename.lower().endswith(('.doc','.pdf','.rtf','.txt')):
attachment.file_type = "text"
attachment.save()
here is my example of using save(commit=False). I wanted to check what type of file a user uploaded before saving it to the databas...
How to git-svn clone the last n revisions from a Subversion repository?
...-u https://server/project/trunk -l 50 -o myproj --authors-file=svn-authors.txt
Find the previous N revision from an SVN repo
# -u The SVN URL to clone
# -l The limit of revisions
./svn-lookback.sh -u https://server/project/trunk -l 5
...
Windows batch files: .bat vs .cmd?
...is required in cmd.exe. In command.com rem Create an empty file > empty.txt works; not in cmd.exe.
– Aacini
May 24 '15 at 17:39
3
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Reading large text files with streams in C#
...nt = bufferSize;
using (var sr = new StreamReader(@"C:\Temp\file.txt"))
{
length = sr.BaseStream.Length;
while (count > 0)
{
count = sr.Read(buffer, 0, bufferSize);
sb.Append(b...
How can I efficiently download a large file using Go?
...evity):
import ("net/http"; "io"; "os")
...
out, err := os.Create("output.txt")
defer out.Close()
...
resp, err := http.Get("http://example.com/")
defer resp.Body.Close()
...
n, err := io.Copy(out, resp.Body)
The http.Response's Body is a Reader, so you can use any functions that take a Reader, t...
How do you get the list of targets in a makefile?
...ut I believe when I wrote this I was using 3.3), just run touch CMakeLists.txt && cmake . && make help and it should work. I can only guess you're using an ancient cmake, or not using the Unix Makefiles generator?
– Timmmm
Mar 1 '17 at 13:36
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How to manage local vs production settings in Django?
...g them by accident. I keep in git a template file called settings_local.py.txt instead.
– fmalina
Nov 17 '15 at 11:50
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How to pipe stdout while keeping it on screen ? (and not to a output file)
... part of the process substitution. Here's an example: echo 'ee' | tee file.txt >(wc -c | tr -d ' ')
– Nick Chammas
Oct 16 '14 at 3:31
1
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How to find a Java Memory Leak
....
jdk/jdk1.6.0_38/bin/jmap -histo:live 60030 > /tmp/60030istolive1330.txt
Instead of taking two heap dumps, take two class histograms, like as described above; Then compare the class histograms and see the classes that are increasing. See if you can relate the Java classes to your application...
Ignoring an already checked-in directory's contents?
..., this can be done with:
git update-index --assume-unchanged path/to/file.txt
After that any changes to this file will no longer show up in git status.
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