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Update multiple columns in SQL
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The "tiresome way" is standard SQL and how mainstream RDBMS do it.
With a 100+ columns, you mostly likely have a design problem... also, there are mitigating methods in client tools (eg generation UPDATE statements) or by using ORMs
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How to set environment variables from within package.json
How to set some environment variables from within package.json to be used with npm start like commands?
14 Answers
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UITableView, Separator color where to set?
I have added a UITableView in IB and set the "delegate" and "datasource" and all is working well. What I wanted to do next was change the separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
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How to smooth a curve in the right way?
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I prefer a Savitzky-Golay filter. It uses least squares to regress a small window of your data onto a polynomial, then uses the polynomial to estimate the point in the center of the window. Finally the window is shifted forward by one data...
Get class name using jQuery
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After getting the element as jQuery object via other means than its class, then
var className = $('#sidebar div:eq(14)').attr('class');
should do the trick. For the ID use .attr('id').
If you are inside an event handler or other jQuery method, where the element is the pure DOM node wi...
How can I easily fixup a past commit?
I just read amending a single file in a past commit in git but unfortunately the accepted solution 'reorders' the commits, which is not what I want. So here's my question:
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Maven compile with multiple src directories
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You can add a new source directory with build-helper:
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
&...
Search for executable files using find command
What type of parameter/flag can I use with the Unix find command so that I search executables?
10 Answers
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how to hide a vertical scroll bar when not needed
...ea which is contained in a div as I have jquery hint and wanted to use opacity without changing the border.
There is a visible vertical scroll bar how I only want this displayed when I am typing in the text field and it goes beyond the container. I have tried overflow: auto; but does not work.
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Difference between scaling horizontally and vertically for databases [closed]
...ters to measure the strength and weaknesses of these databases and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
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