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How to grep a text file which contains some binary data?
...
You could run the data file through cat -v, e.g
$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
...
Batch equivalent of Bash backticks
...scripts with the for /f command:
for /f "usebackq tokens=*" %%a in (`echo Test`) do my_command %%a
Yeah, it's kinda non-obvious (to say the least), but it's what's there.
See for /? for the gory details.
Sidenote: I thought that to use "echo" inside the backticks in a "for /f" command would nee...
Is it possible to get all arguments of a function as single object inside that function?
... an array-like object (not an actual array). Example function...
function testArguments () // <-- notice no arguments specified
{
console.log(arguments); // outputs the arguments to the console
var htmlOutput = "";
for (var i=0; i < arguments.length; i++) {
htmlOutput += '...
iTextSharp - Sending in-memory pdf in an email attachment
...emoryStream.Position = 0;
mm.Attachments.Add(new Attachment(memoryStream, "test.pdf"));
If my memory serves me correctly, this solved a similar problem in a previous project.
See http://forums.asp.net/t/1093198.aspx
share...
How is mime type of an uploaded file determined by browser?
...r upload, it looks at the first buffer of data it receives and then runs a test on it. These tests try to determine if the file is a known mime type or not, and if known mime type it will simply further test it for which known mime type and take action accordingly. I think IE tries to do this first ...
eval command in Bash and its typical uses
... Take this (contrived) example:
# activate.sh
echo 'I got activated!'
# test.py
print("export foo=bar/baz/womp")
print(". activate.sh")
$ eval $(python test.py)
bash: export: `.': not a valid identifier
bash: export: `activate.sh': not a valid identifier
$ eval "$(python test.py)"
I got activate...
Timeout on a function call
...ere it is with a breakdown.
Imports and setups for compatibility
It was tested with Python 2 and 3. It should also work under Unix/Linux and Windows.
First the imports. These attempt to keep the code consistent regardless of the Python version:
from __future__ import print_function
import sys
i...
Copy to clipboard in Node.js?
...
Shortest way in Windows:
const util = require("util");
require('child_process').spawn('clip').stdin.end(util.inspect("content_for_the_clipboard"));
sha...
ng-repeat :filter by single field
...FooCtrl', function($scope) {
$scope.products = [
{ id: 1, name: 'test', color: 'red' },
{ id: 2, name: 'bob', color: 'blue' }
/*... etc... */
];
});
<div ng-repeat="product in products | filter: { color: 'red' }">
This can of course be passed in by variable, as ...
Optimal number of threads per core
...cause some performance degradation.
Not long ago, I was doing performance testing on a 2 quad-core machine running an ASP.NET application on Mono under a pretty decent load. We played with the minimum and maximum number of threads and in the end we found out that for that particular application in ...