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Setting up a git remote origin
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However having a simple git pull as a deployment process is usually a bad idea and should be avoided in favor of a real deployment script.
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“java.lang.OutOfMemoryError : unable to create new native Thread”
...ead spawning where the threads should but doesn't finish?
You might consider rewriting into using Callable/Runnables under the control of an Executor if at all possible. There are plenty of standard executors with various behavior which your code can easily control.
(There are many reasons why ...
CSS hide scroll bar if not needed
I am trying to figure out how I can hide the overflow-y:scroll; if not needed. What I mean is that I am building a website and I have a main area which posts will be displayed and I want to hide the scroll bar if content does not exceed the current width.
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chrome undo the action of “prevent this page from creating additional dialogs”
...aged to fix it for him with the following process:
a) Make an empty text file called FixChrome.sh, and paste in the following bash script:
#! /bin/bash
cd ~/.config/google-chrome/Default //adjust for your Chrome install location
rm Preferences
rm 'Current Session'
rm 'Current Tabs'
rm 'Last S...
What do REFRESH and MERGE mean in terms of databases?
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What is the default (if we didnt set any CascadeType), and what is the most sensible/common to set?
– Rosdi Kasim
Jul 30 '10 at 4:56
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Possible to access the index in a Hash each loop?
... obvious, but is there a way to access the index/count of the iteration inside a hash each loop?
2 Answers
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Postgresql: Conditionally unique constraint
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it has already been said that PG doesn't define a partial (ie conditional) UNIQUE constraint. Also documentation says that the preferred way to add a unique constraint to a table is ADD CONSTRAINT Unique Indexes
The preferred way to add a uniq...
How to detect the OS from a Bash script?
I would like to keep my .bashrc and .bash_login files in version control so that I can use them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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How to output a multiline string in Bash?
...ou'll either need to 1) outdent the string all the way to the left of your file or 2) keep it indented to line up with the rest of your code but then it prints with the indents as well
– s g
Oct 19 '18 at 20:45
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Solutions for INSERT OR UPDATE on SQL Server
...Insert-or-update you can easily
get primary key violation.
Solutions provided by @Beau Crawford & @Esteban show general idea but error-prone.
To avoid deadlocks and PK violations you can use something like this:
begin tran
if exists (select * from table with (updlock,serializable) where ke...