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How do I specify unique constraint for multiple columns in MySQL?
I have a table:
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reformat in vim for a nice column layout
I have this dataset in a csv file
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How to set the Default Page in ASP.NET?
Is there any section or code which allows us to set default page in web.config ?
8 Answers
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How do I calculate the date in JavaScript three months prior to today?
...you want to do like momentjs does, and correct these last day of the month errors by moving to the last day of the month, you can do something like this:
const d = new Date("March 31, 2019");
console.log(d.toLocaleDateString());
const month = d.getMonth();
d.setMonth(d.getMonth() - 1);
whil...
How can I make pandas dataframe column headers all lowercase?
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df.columns = df.columns.str.lower()
is the easiest but will give an error if some headers are numeric
if you have numeric headers then use this:
df.columns = [str(x).lower() for x in df.columns]
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How do I find the stack trace in Visual Studio?
I ask because I couldn't find the stack trace in Visual Studio, while debugging an exception that occurred.
7 Answers
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PHP 5 disable strict standards error
I need to setup my PHP script at the top to disable error reporting for strict standards.
7 Answers
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...ating web application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 .
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Mercurial - all files that changed in a changeset?
How can you determine all the files that changed in a given changeset?
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How can I import Swift code to Objective-C?
...that if you try to use the Swift filename in your import, you will get the error "Expected ';' after top level declarator". in your Swift file after "import Foundation".
– louielouie
Jun 9 '14 at 22:10
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