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How to make “if not true condition”?
... true.
if evaluation in shells are designed to be very flexible, and many times doesn't require chains of commands (as you have written).
Also, looking at your code as is, your use of the $( ... ) form of cmd-substitution is to be commended, but think about what is coming out of the process. Try ...
JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...leting the desired document) , They are based on HTTP protocol and most of times the response is in JSON or XML format. On the other hand the client application have to exactly call the related HTTP Verb via exact parameters names and types. Due to not having special file for definition, like WSDL, ...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
In Java you can suspend the current thread's execution for an amount of time using Thread.sleep() . Is there something like this in Objective-C?
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Python timedelta in years
...eck if some number of years have been since some date. Currently I've got timedelta from datetime module and I don't know how to convert it to years.
...
How to check if a stored procedure exists before creating it
I have a SQL script that has to be run every time a client executes the "database management" functionality. The script includes creating stored procedures on the client database. Some of these clients might already have the stored procedure upon running the script, and some may not. I need to have...
IsNothing versus Is Nothing
...t joking. And on the other side, as you already probably know most of the time you can use () with function calls if you want to, but don't have to.
I prefer IsNothing()...but I use C and C#, so that's just what is comfortable. And I think it's more readable. But go with whatever feels more comf...
Defining a variable with or without export
...execd
execd process: export
Note that we don't see the parent: line this time, because we have replaced the parent shell with the exec command, so there's nothing left to execute that command.
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How to check which locks are held on a table
...ReqOwnerType
,TAT.[name] AS TransName
,TAT.transaction_begin_time AS TransBegin
,DATEDIFF(ss, TAT.transaction_begin_time, GETDATE()) AS TransDura
,ES.session_id AS S_Id
,ES.login_name AS LoginName
,COALESCE(OBJ.name, PAROBJ.name) AS ObjectName
,PARIDX...
Finding the index of an item in a list
... is a rather weak component of the list API, and I can't remember the last time I used it in anger. It's been pointed out to me in the comments that because this answer is heavily referenced, it should be made more complete. Some caveats about list.index follow. It is probably worth initially taking...
Retrieve the position (X,Y) of an HTML element relative to the browser window
...inally standardized in CSSOM Views. All other browsers adopted it a long time ago.
Some browsers also return height and width properties, though this is non-standard. If you're worried about older browser compatibility, check this answer's revisions for an optimised degrading implementation.
Th...