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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
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Oh, and if you don't want the backup, run rm -f /etc/hosts.bak after running the sed. That's simpler than trying to work out which variant of sed you have installed or other gizmos I've seen suggested. I hope you keep the file under version control (or otherwise backed up...
psql - save results of command to a file
... (your query) to 'file path' csv header;
Example
\copy (select name,date_order from purchase_order) to '/home/ankit/Desktop/result.csv' cvs header;
Hope this help you.
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Is it better in C++ to pass by value or pass by constant reference?
...s by const ref for all types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function).
This was especially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the obj...
Span inside anchor or anchor inside span or doesn't matter?
...y thing to be aware of is to ensure that you close the tags in the correct order. So if you start with a <span> then an <a>, make sure you close the <a> tag first before closing the <span> and vice-versa.
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Download old version of package with NuGet
....Logging -Version 1.2.0
See the command reference for details.
Edit:
In order to list versions of a package you can use the Get-Package command with the remote argument and a filter:
Get-Package -ListAvailable -Filter Common.Logging -AllVersions
By pressing tab after the version option in the ...
Convert a PHP script into a stand-alone windows executable
...ing from popular Phalanger. It allows PHP to be executed within the .NET/.NETCore by compiling the PHP code to pure MSIL.
Phalanger
http://v4.php-compiler.net/
http://wiki.php-compiler.net/Phalanger_Wiki
https://github.com/devsense/phalanger
Phalanger is a project which was started at Charles U...
Simulator error FBSSystemServiceDomain code 4
...n installation of an app, SpringBoard will
SIGKILL that app's process in order to force a relaunch of the app
with the new executable. The problem is that there is a race
condition whereby SpringBoard may accidentally SIGKILL a new process
that we just launched rather than the old process. ...
setMaxResults for Spring-Data-JPA annotation?
...ords that allow you to define query methods like this:
findTop10ByLastnameOrderByFirstnameAsc(String lastname);
Spring Data will automatically limit the results to the number you defined (defaulting to 1 if omitted). Note that the ordering of the results becomes relevant here (either through an O...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...ems.
One other note: if you are using NTFS based storage (windows server, etc) you might consider finding a way around putting thousands and thousands of files in one directory. I am not sure why, but sometimes the file system does not cope well with that situation. If anyone knows more about this ...
How to get the input from the Tkinter Text Widget?
...ly issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on.
def retrieve_input():
input = self.myText_Box.get("1.0",'end-1c')
...