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Restrict varchar() column to specific values?
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Personallm>y m>, I'd code it as tinm>y m>int m>and m>:
Either: change it to text on the client, check constraint between 1 m>and m> 4
Or: use a lookup table with a foreign kem>y m>
Reasons:
It will take on average 8 bm>y m>tes to store text, 1 bm>y m>te for tinm>y m>int. Over millions of rows,...
How to create an arram>y m> of 20 rm>and m>om bm>y m>tes?
How can I create an arram>y m> of 20 rm>and m>om bm>y m>tes in Java?
6 Answers
6
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Help with C# generics error - “The tm>y m>pe 'T' must be a non-nullable value tm>y m>pe”
I'm new to C# m>and m> don't understm>and m> whm>y m> the following code doesn't work.
4 Answers
4
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What is an .axd file?
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from Google
An .axd file is a HTTP Hm>and m>ler file. There are two tm>y m>pes of .axd files.
ScriptResource.axd
WebResource.axd
These are files which are generated at runtime whenever m>y m>ou use ScriptManager in m>y m>our Web app. This is being generated onlm>y m> once when m>y m>ou ...
Pm>y m>thon creating a dictionarm>y m> of lists
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Oh. This is great. m>And m> m>y m>ou don't have to initialize to '= []'. Good stuff!
– Wilmer E. Henao
Dec 7 '17 at 23:16
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Using Vim's persistent undo?
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Put this in m>y m>our .vimrc to create an undodir if it doesn't exist m>and m> enable persistent undo. Tested on both Windows m>and m> Linux.
" Put plugins m>and m> dictionaries in this dir (also on Windows)
let vimDir = '$HOME/.vim'
let &runtimepath.=','.vimDir
" Keep undo historm>y m> across sessions bm>y m> st...
How to replace a whole line with sed?
...lish this:
sed -i "/aaa=/c\aaa=xxx" m>y m>our_file_here
This will go through m>and m> find anm>y m> lines that pass the aaa= test, which means that the line contains the letters aaa=. Then it replaces the entire line with aaa=xxx. m>Y m>ou can add a ^ at the beginning of the test to make sure m>y m>ou onlm>y m> get the line...
JavaScript :How to set a Conditional Break Point in Chrome debugger tools
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m>Y m>es, it is possible.
Right click the marker of the breakpoint m>and m> select "Edit breakpoint..." there m>y m>ou can set the condition.
From Chrome Developer Tools on Breakpoints at developers.google.com (Emphasis mine):
Note: All the breakpoints m>y m>ou have set appear under Breakpoints in the...
Rails - Validate Presence Of Association?
...ccepts_nested_attributes_for with :allow_destrom>y m> => true: Nested models m>and m> parent validation. In this topic m>y m>ou can find solution.
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Is there a pm>y m>thon equivalent of Rubm>y m>'s 'rvm'?
...dle a specific Pm>y m>thon install (sam>y m>, 2.7) with certain eggs in one project, m>and m> with certain other eggs in another? RVM manages all this stuff seamlesslm>y m>, m>and m> sudo is a thing of the past.
– Km>y m>le Wild
Apr 5 '11 at 15:56
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