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Remove files from Git commit
...ft HEAD^
or
git reset --soft HEAD~1
Then reset the unwanted files in order to leave them out from the commit:
git reset HEAD path/to/unwanted_file
Now commit again, you can even re-use the same commit message:
git commit -c ORIG_HEAD
...
how to find host name from IP with out login to the host
...ch use names to identify hosts including DNS, DHCP, LDAP (DN's), hostname, etc. and many systems use zeroconf to synchronize names between multiple naming systems. For this reason, results from hostname will sometimes match results from dig (see below) or other naming systems, but often times they w...
JavaScript replace/regex
...on literal, the reverse-solidus ('\') need not itself be escaped ('\\') in order for it to be part of the regular expression. Further, the regular expression literal can be compiled when the script is parsed rather than each time the function is executed. In order to match a reverse-solidus you ca...
error, string or binary data would be truncated when trying to insert
...ason was that in an INSERT statement that received data from an UNION, the order of the columns was different from the original table. If you change the order in #table3 to a, b, c, you will fix the error.
select a, b, c into #table1
from #table0
insert into #table1
select a, b, c from #table2...
How to test my servlet using JUnit
...r things like HttpServletRequest, HttpServletResponse, HttpServletSession, etc:
http://static.springsource.org/spring/docs/3.0.x/api/org/springframework/mock/web/package-summary.html
Using these mocks, you could test things like
What happens if username is not in the request?
What happens if use...
Eclipse menus don't show up after upgrading to Ubuntu 13.10
... that the fact that it is installed there forces me to run sudo eclipse in order to get the menus, or else it doesn't work. However, when I just copy-pasted your file content without modifying it, the menus work without sudo priviliges, even though I of course have no directory name /home/USERNAME.....
How much does it cost to develop an iPhone application? [closed]
...e. I included development time, graphic design time, project manager time, etc, etc. An app of the scale of the Obama app can be developed for significantly less.
– schwa
Oct 17 '08 at 15:31
...
Convert RGB to RGBA over white
...u can solve:
a = (x - x')/(255 - x') x' = (x - 255 a)/(1 - a)
Etc. In real values this has infinitely many solutions, just plug in any real number a, but the problem is to find a number for which the discretization error is minimal.
...
Best way to resolve file path too long exception
...s defined as 260 characters. A local
path is structured in the following order: drive letter, colon,
backslash, name components separated by backslashes, and a terminating
null character. For example, the maximum path on drive D is "D:\some
256-character path string<NUL>" where "<NU...
Downloading images with node.js [closed]
... Axios (a promise-based HTTP client for Node.js) to download images in the order of your choosing in an asynchronous environment:
npm i axios
Then, you can use the following basic example to begin downloading images:
const fs = require('fs');
const axios = require('axios');
/* =================...