October 2021 - Page 289 of 369 - Simon Technology Blog

How to calculate upvalues in nested Lua functions?

Use lua code blocks like this:

local a, b
function fA ()
print(a)
function fB ()
print(b)
end
end How many upvalues does fA have, 1 or 2?

You may want to use luac -l -l to read th

October 5, 2021By Simo Lua Calculation, function, How to, lua, middle, nested, UpValuesLeave a Comment

Delphi – Tregistry – Why is some keys readable and some keys are not available?

I wrote the following code:

var
MainForm: TMainForm;
const
SRootKey = HKEY_LOCAL_MACHINE;
SKey =’SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles’;
implementation
{$ R *.d

October 5, 2021By Simo Delphi Delphi, key, not, readable, Some, somewhat, Tregistry, whyLeave a Comment

Delphi – How to convert TCLIENTDATASET to another TCLIENTDATASET?

How to get changes from TClientDataset?

I have a TClientDataset called GetDataset and I have a grid. I want to make changes in a new TClientDataset called ChangeDataset.

How can I do it

October 5, 2021By Simo Delphi change, conversion, Delphi, How, one, TclientDataSetLeave a Comment

Lua nested

I am trying to use the redis-lua library within copas. It needs some patching.
One problem is that redis-lua defines some iterators as coroutines, but these iterators execute Network operations th

October 5, 2021By Simo Lua coordinated, lua, nestedLeave a Comment

LuaAPI finishing

ref: https://blog.csdn.net/ouyangshima/article/details/43339571

Lua was born to interact with C, so use CExpandLuaOr change LuaEmbed in CThese are very popular practices. To understand Cand L

October 5, 2021By Simo Lua finishing, lua, LuaApiLeave a Comment

Delphi: The splitter only adjusts its 2 panes

I have 4 consecutive panels with 3 splitters in the middle. The 1st / 2nd / 3rd pane: align = alLeft, the 4th pane: align = alClient .

[1] | [2] | [3] | [4]

Now the user wants, then

October 5, 2021By Simo Delphi Adjustment, Delphi, device, pane, segmentation, SplitLeave a Comment

Delphi – generic type name

I have this code:

TServer = class
private
fOnMsgFromServer: TProc< String, String, String>;
public
procedure RegisterOnMsgFromServer(aCallBack: TProc);
procedure Execute;
end;
procedure TS

October 5, 2021By Simo Delphi Delphi, Name, pan, typeLeave a Comment

Month: October 2021