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How to echo shell commands as they are executed
...uts
$ echo hello world
hello world
For more complicated commands pipes, etc., you can use eval:
#!/bin/bash
# Function to display commands
exe() { echo "\$ ${@/eval/}" ; "$@" ; }
exe eval "echo 'Hello, World!' | cut -d ' ' -f1"
Which outputs
$ echo 'Hello, World!' | cut -d ' ' -f1
Hello
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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
...e; the above commands can be run as a query through a library (Python, C#, etc.).
– Mark Rushakoff
Jul 25 '10 at 21:09
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What is the difference between customErrors and httpErrors?
...so handle content that doesn't go through the .net handler (e.g. .png, .js etc.) If you want error pages for non-.net content types, use IIS error pages (httpErrors for IIS7, the UI for IIS6.)
– zcrar70
May 24 '11 at 8:53
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How to design a database for User Defined Fields?
...ve complete control to use data types,
check constraints, default values, etc.
to define the data domains. Don't underestimate the performance hit resulting from on-the-fly data type conversion. Such
constraints also help RDBMS query
optimizers develop more effective
plans.
Should you ever need to...
How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
I am trying to use Notepad++ as my all-in-one tool edit, run, compile, etc.
51 Answers
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How to suppress GCC warnings from library headers?
I have a project that uses log4cxx, boost, etc. libraries whose headers generate lots of (repetitive) warnings. Is there a way to suppress warnings from library includes (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant in...
Checking if a SQL Server login already exists
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In order to hande naming conflict between logins, roles, users etc. you should check the type column according to Microsoft sys.database_principals documentation
In order to handle special chacters in usernames etc, use N'<name>' and [<name>] accordingly.
Create login
USE MAS...
Remove all special characters, punctuation and spaces from string
... doesn't work with modified character in other languages, like á, ö, ñ, etc. Am I right? If so, how would it be the regex for it?
– HuLu ViCa
Aug 8 '18 at 14:52
3
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git: fatal: Could not read from remote repository
... Thanks a Lot.. This finally worked for me after trying to create, delete, etc the SSH keys into my GitLab account.... Thanks!!
– Bms bharadwaj
Jul 22 '19 at 13:13
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Use of Finalize/Dispose method in C#
...ple, if your class contains an instance of a Stream, DbCommand, DataTable, etc.
Your class explicitly contains any managed resources which implement a Close() method - e.g. IDataReader, IDbConnection, etc. Note that some of these classes do implement IDisposable by having Dispose() as well as a Clo...