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How to determine MIME type of file in android?
...Abdul It is because that path does not have a Uri scheme. It should either start with file:// or content://.
– HB.
Jan 22 at 10:16
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Using Git how do I find changes between local and remote
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Starting with Git 1.7.0, there is a special syntax that allows you to generically refer to the upstream branch: @{u} or @{upstream}.
To mimic hg incoming:
git log ..@{u}
To mimic hg outgoing:
git log @{u}..
I use the f...
Delete empty lines using sed
...look at this question Remove empty lines from txtfiles, remove spaces from start and end of line I believe that's what you're trying to achieve.
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Command to get time in milliseconds
...s user 0.00s system 63% cpu 0.006 total
Python is still improving it's VM start time, and it is not as fast as ahead-of-time compiled code (such as date).
On my machine, it took about 30ms - 60ms (that is 5x-10x of 6ms taken by date)
$ time python -c "import time; print(int(time.time()*1000))"
1597...
How to pip or easy_install tkinter on Windows
...ython, located in, e.g. C:\python32. From a Windows command prompt, or the Start Menu's "Run..." command, you should then be able to run a Python shell via:
% C:\python32\python
This should give you the Python command prompt. From the prompt, enter these two commands:
>>> import tkinter...
Interop type cannot be embedded
...ch tries to instantiate a COM object. For example, here is a piece of code starting up Excel:
Excel.ApplicationClass xlapp = new Excel.ApplicationClass();
Typically, in .NET 4 you just need to remove the 'Class' suffix and compile the code:
Excel.Application xlapp = new Excel.Application();
An...
Pass ruby script file to rails console
...y file, foo.rb to rails console. Expected results would be after console starts rails environment to run file.
7 Answers...
How to list containers in Docker
...sit under the logical object it’s interacting with. For example list and start of containers are now subcommands of docker container and history is a subcommand of docker image.
These changes let us clean up the Docker CLI syntax, improve help text and make Docker simpler to use. The old command s...
Smooth scroll to div id jQuery
...rkup for smooth scrolling, use this (example):
// handle links with @href started with '#' only
$(document).on('click', 'a[href^="#"]', function(e) {
// target element id
var id = $(this).attr('href');
// target element
var $id = $(id);
if ($id.length === 0) {
return;
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What is a database transaction?
...they all execute (commit), or the system state will be as if they have not started to execute at all (rollback).
beginTransaction;
accountB += 100;
accountA -= 100;
commitTransaction;
will either transfer 100 bucks or leave both accounts in the initial state.
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