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Assign output of a program to a variable using a MS batch file
...eric return code, you can do the following
application arg0 arg1
set VAR=%errorlevel%
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How to paginate with Mongoose in Node.js?
... expecting the behavior but in my case it couldn’t covert and showing me error
– imalik8088
Sep 25 '17 at 9:28
@imal...
How to detect if a script is being sourced
...ed.
If return is used in the top-level scope of a non-sourced script, an error message is emitted, and the exit code is set to 1.
(return 0 2>/dev/null) executes return in a subshell and suppresses the error message; afterwards the exit code indicates whether the script was sourced (0) or not ...
Exception thrown inside catch block - will it be caught again?
...
Thanks. So I will get a compile time error, right? I will test it when I get home.
– sofs1
Aug 22 '16 at 23:38
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“Prevent saving changes that require the table to be re-created” negative effects
...rform an operation that causes the table to be re-created, you receive the error message that is mentioned in the "Symptoms" section. However, if you turn off this option, the existing change tracking information is deleted when the table is re-created. Therefore,Microsoft recommend that you do not ...
Get type of all variables
...character
typeof(3 + 四) #R pukes on unicode error
typeof(iconv("a", "latin1", "UTF-8")) #UTF-8 characters character
typeof(5 == 5) #result of a comparison: logical
How to get the class of a variable you have in R
The R function class ...
Session variables in ASP.NET MVC
... out why I kept on getting a "Instance not set to an instance of an Object error". What I noticed is that in a controller when I tried to access the session by doing the following, I kept on getting that error. This is due to the fact that this.HttpContext is part of the Controller object.
this.Se...
string.charAt(x) or string[x]?
...s nothing (which can be confusing) and assigning to string.charAt(x) is an error (as expected):
var str = "Hello";
str[0] = 'Y';
console.log(str); //Still "Hello", the above assignment did nothing
str.charAt(0) = 'Y'; //Error, invalid left-hand side in assignment
The reason why assigning to...
How to drop a PostgreSQL database if there are active connections to it?
... db connection that is not a connection to 'TARGET_DB', otherwise you get 'ERROR'. A 'postgres' connection works well.
– Rob
Jul 26 '11 at 16:00
3
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Passing argument to alias in bash [duplicate]
...echo "Hello $*"; unset -f __myalias; } __myalias' ~$ myalias -bash: syntax error near unexpected token `__myalias'
– JeeBee
Nov 14 '13 at 14:34
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