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Equivalent of varchar(max) in MySQL?
...eat to these column types was that they usually required special functions and statements to access and modify the data (e.g. READTEXT, WRITETEXT, and UPDATETEXT)
In SQL Server 2005, varchar(max) was introduced to unify the data and queries used to retrieve and modify data in large columns. The dat...
How to suppress Pandas Future warning ?
When I run the program, Pandas gives 'Future warning' like below every time.
3 Answers
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“Add as Link” for folders in Visual Studio projects
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+1. You could also use <Content ...>, and add <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory> to make Visual Studio copy the resources on build.
– Markus Jarderot
May 18 '12 at 18:12
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Rails select helper - Default selected value, how?
...g to edit your record.
You need to set the default to your existing value and then only set it to the actual default if you don't have a value. Like so:
f.select :field, options_for_select(value_array, f.object.field || default_value)
For anyone not familiar with f.object.field you always use f....
How to plot two histograms together in R?
I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
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Git update submodules recursively
...d submodules may not be updated. In that case, you should also run the command without --init option.
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Can I set max_retries for requests.request?
The Python requests module is simple and elegant but one thing bugs me.
It is possible to get a requests.exception.ConnectionError with a message like:
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Selectors in Objective-C?
First, I'm not sure I really understand what a selector is. From my understanding, it's the name of a method, and you can assign it to a class of type 'SEL' and then run methods such as respondToSelector to see if the receiver implements that method. Can someone offer up a better explanation?
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Linq to EntityFramework DateTime
...ound would be to read the results of the first Where statement into memory and then use LINQ to Objects to finish filtering:
Context.Article.Where(p => p.StartDate < DateTime.Now)
.ToList()
.Where(p => p.StartDate.AddDays(p.Period) > DateTime.Now);
You co...
How to make a div with no content have a width?
...eight because it doesn't force a height. Say your font-size is set to 16px and your padding is 15px. Your div will retain the same height before and after text is added to the div (assuming it's all on one line)
– eroedig
Jul 16 '15 at 18:56
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