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Javascript switch vs. if…else if…else
...hich makes it O(log n), while a if/else has to be implemented with an O(n) procedural approach. More often they are both processed procedurally and the only difference is syntax, and moreover does it really matter -- unless you're statically typing 10k cases of if/else anyway?
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Converting SVG to PNG using C# [closed]
...
I'm using Batik for this. The complete Delphi code:
procedure ExecNewProcess(ProgramName : String; Wait: Boolean);
var
StartInfo : TStartupInfo;
ProcInfo : TProcessInformation;
CreateOK : Boolean;
begin
FillChar(StartInfo, SizeOf(TStartupInfo), #0);
FillChar(ProcInfo...
How to change the docker image installation directory?
...ments I utilize Docker systemd documentation to improve this answer.
Below procedure doesn't require reboot and is much cleaner.
First create directory and file for custom configuration:
sudo mkdir -p /etc/systemd/system/docker.service.d
sudo $EDITOR /etc/systemd/system/docker.service.d/docker-sto...
Microsoft Roslyn vs. CodeDom
...ymbol Table/Metadata Import -> Symbol API
Binder -> Binding and Flow Analysis APIs
IL Emitter -> Emit API
Roslyn can be used as a sophisticated C# and VB source code generator, but that's where the similarity to CodeDom ends. The Roslyn Compiler APIs can be used to parse code, perform sem...
What is meant by 'first class object'?
...lson:
They may be named by variables.
They may be passed as arguments to procedures.
They may be returned as the results of procedures.
They may be included in data structures.
Basically, it means that you can do with functions everything that you can do with all other elements in the programmin...
SQL Server: Is it possible to insert into two tables at the same time?
...between the Object table and Data table.
My suggestion is to use a stored procedure to manage the transactions. When you want to insert to the Object or Data table perform your inserts, get the new IDs and insert them to the Link table.
This allows all of your logic to remain encapsulated in one ...
Looking for a clear definition of what a “tokenizer”, “parser” and...
...attern in the Gang of Four patterns book. The key point is that the parser analyses a sequence of tokens to determine whether or not the sequence conforms to some (usually context free) grammar and may produce some output based on the sequence's grammatical structure.
– Theodor...
Error message “Forbidden You don't have permission to access / on this server” [closed]
...to Apache on a production server to a complete directory structure without analysing what's in that directory structure. For production it's best to keep to the default directory or another directory structure that's just for holding web assets.
Edit2: as u/chimeraha pointed out, if you're not sur...
Create PostgreSQL ROLE (user) if it doesn't exist
...sible except by using another PL. The DO statement uses plpgsql as default procedural language. The syntax allows to omit the explicit declaration:
DO [ LANGUAGE lang_name ] code
...
lang_name
The name of the procedural language the code is written in. If
omitted, the default is plpgsql...
Java: Static vs inner class [duplicate]
...atic members (instance field and methods) of enclosing class same like the procedural style of getting value without creating object.
Static inner class can declare both static and non-static members. The static methods have access to static members of main class. However, it cannot access non-stati...