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How do I remove newlines from a text file?
...
tr -d '\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solut...
How to write into a file in PHP?
...
Consider fwrite():
<?php
$fp = fopen('lidn.txt', 'w');
fwrite($fp, 'Cats chase mice');
fclose($fp);
?>
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follo...
AsyncTask Android example
...ng.
See these lines where you are later updating your TextView:
TextView txt = findViewById(R.id.output);
txt.setText("Executed");
Put them in onPostExecute().
You will then see your TextView text updated after the doInBackground completes.
I noticed that your onClick listener does not check t...
How to delete a specific line in a file?
...r lines back, except for the line you want to delete:
with open("yourfile.txt", "r") as f:
lines = f.readlines()
with open("yourfile.txt", "w") as f:
for line in lines:
if line.strip("\n") != "nickname_to_delete":
f.write(line)
You need to strip("\n") the newline chara...
Extract a regular expression match
...gregexpr’ and ‘regexec’.
So this will work, and is fairly simple:
txt <- "aaa12xxx"
regmatches(txt,regexpr("[0-9]+",txt))
#[1] "12"
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...
PowerShell: Store Entire Text File Contents in Variable
... the entire contents of a file:
$content = [IO.File]::ReadAllText(".\test.txt")
Number of lines:
([IO.File]::ReadAllLines(".\test.txt")).length
or
(gc .\test.ps1).length
Sort of hackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-python\test.ps1").split("`n").coun...
How can I make git ignore future revisions to a file?
...ood modern solution is:
git update-index --skip-worktree default_values.txt
That will ignore changes to that file, both local and upstream, until you decide to allow them again with:
git update-index --no-skip-worktree default_values.txt
You can get a list of files that are marked skipped wi...
val() doesn't trigger change() in jQuery [duplicate]
...rigger() or .change(), you can test it below using Chrome or Firefox.
txt.addEventListener('input', function() {
console.log('not called?');
})
$('#txt').val('test').trigger('input');
$('#txt').trigger('input');
$('#txt').change();
<script src="https://cdnjs.cloudflare.com/ajax/libs/...
Can I use git diff on untracked files?
...up in the "git diff" output.
git diff
echo "this is a new file" > new.txt
git diff
git add -N new.txt
git diff
diff --git a/new.txt b/new.txt
index e69de29..3b2aed8 100644
--- a/new.txt
+++ b/new.txt
@@ -0,0 +1 @@
+this is a new file
Sadly, as pointed out, you can't git stash while you have ...
How to git-cherry-pick only changes to certain files?
... lot of other files. What I came up with was simply
git show SHA -- file1.txt file2.txt | git apply -
It doesn't actually add the files or do a commit for you so you may need to follow it up with
git add file1.txt file2.txt
git commit -c SHA
Or if you want to skip the add you can use the --cac...