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Repairing Postgresql after upgrading to OSX 10.7 Lion
...ked when trying to connect to the psql server. When I do it from the command line using
15 Answers
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How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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Getting the difference between two repositories
...g tree. Use '--' to separate paths from revisions, like this: 'git <command> [<revision>...] -- [<file>...]' Any ideas here?
– Andrew Heekin
Sep 2 '15 at 3:09
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Remove columns from DataTable in C#
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Aside from limiting the columns selected to reduce bandwidth and memory:
DataTable t;
t.Columns.Remove("columnName");
t.Columns.RemoveAt(columnIndex);
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Difference between knockout View Models declared as object literals vs functions
...s to set a variable in the function equal to the appropriate value of this and use it instead. This would be like:
var ViewModel = function() {
var self = this;
this.items = ko.observableArray();
this.removeItem = function(item) {
self.items.remove(item);
}
};
Now, if yo...
System.Security.SecurityException when writing to Event Log
I’m working on trying to port an ASP.NET app from Server 2003 (and IIS6) to Server 2008 (IIS7).
22 Answers
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How to make a vertical line in HTML
...a <div> around the markup where you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div>
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Assigning code to a variable
Is it possible to make a variable, and assign a line of code to it, such as:
5 Answers
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How to convert `git:` urls to `http:` urls
I'm working behind an http proxy. I'm trying to clone Android's source tree using their "repo" tool.
4 Answers
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How do I make a composite key with SQL Server Management Studio?
...ht multiple fields, click the blocks in front of the columns "column name" and "data type" and such. Ctrl/Shift+Clicking on the column name fields won't actually do anything.
– Pimgd
Oct 10 '13 at 14:50
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