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How can I remove the first line of a text file using bash/sed script?
...n +1 would print the whole file, tail -n +2 everything but the first line, etc.
GNU tail is much faster than sed. tail is also available on BSD and the -n +2 flag is consistent across both tools. Check the FreeBSD or OS X man pages for more.
The BSD version can be much slower than sed, though. I ...
Excel “External table is not in the expected format.”
... installing multiple office versions and various office sdk's, assemblies, etc. had led to the ACEOleDB.dll reference in the registry pointing to the OFFICE12 folder instead of OFFICE14 in
C:\Program Files\Common Files\Microsoft Shared\OFFICE14\ACEOLEDB.DLL
From the link:
Alternatively, you can m...
Python unit test with base and sub class
...g methods, doesn't alter the MRO and allows me to define setUp, setUpClass etc. in the base class.
– Hannes
May 27 '15 at 22:18
6
...
Margin-Top push outer div down
...d use instead position (absolute or relative) with attributes top, bottom, etc. For example if you had margin-top: 10px, replace with position: relative; top: 10px;.
Add a padding or a border in the side where the margins are collapsing, to the parent element. The border can be 1px and transparent.
...
Difference between the 'controller', 'link' and 'compile' functions when defining a directive
...ope in AngularJS controllers.
In general, you can put methods, $watches, etc. into either the directive's controller or link function. The controller will run first, which sometimes matters (see this fiddle which logs when the ctrl and link functions run with two nested directives). As Josh ment...
write a shell script to ssh to a remote machine and execute commands
...Can be used to give options in the format used in the configuration file.(/etc/ssh/ssh_config) (~/.ssh/config)
-p parallelism: Use the given number as the maximum number of concurrent connections
-q Quiet mode: Causes most warning and diagnostic messages to be suppressed.
-t: Make connections...
How to check if activity is in foreground or in visible background?
..., but if
your activity is already extended from MapActivity/ListActivity etc.
you still need to write the following by hand):
@Override
protected void onResume() {
super.onResume();
MyApplication.activityResumed();
}
@Override
protected void onPause() {
super.onPause();
MyApplication....
Managing large binary files with Git
...esigned for managing large files efficiently. I use it for my photo/music (etc.) collections. The development of git-annex is very active. The content of the files can be removed from the Git repository, only the tree hierarchy is tracked by Git (through symlinks). However, to get the content of the...
When should I use jQuery's document.ready function?
...code in head section and trying to access a dom element (an anchor, an img etc), you will not be able to access it because html is interpreted from top to bottom and your html elements are not present when your jQuery code runs.
To overcome this problem, we place every jQuery/javascript code (which...
How can I replace every occurrence of a String in a file with PowerShell?
...ontent. The methods also take care of the encoding of the file (UTF-8 BOM, etc.) without you having to take care most of the time.
Also the methods don't mess up the line endings (Unix line endings that might be used) in contrast to an algorithm using Get-Content and piping through to Set-Content.
...