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Is there a TRY CATCH command in Bash
... writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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Ways to implement data versioning in MongoDB
... approach would be to store diffs. Because the display of these diffs is really a special action, I would put the diffs in a different "history" collection.
I would use the different collection to save memory space. You generally don't want a full history for a simple query. So by keeping the histo...
Can't install Ruby under Lion with RVM – GCC issues
...was trying to install SiriProxy on a clean Lion installation on Xcode from App Store
I kept getting errors like :
The provided CC(/usr/bin/gcc) is LLVM based.
bash-3.2$ rvm install 1.9.3
ERROR: The provided CC(/usr/bin/gcc) is LLVM based, it is not yet fully supported by ruby and gems, please read...
Bulk insert with SQLAlchemy ORM
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You also need s.commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
3
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What are all the user accounts for IIS/ASP.NET and how do they differ?
Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list:
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Changing the selected option of an HTML Select element
...cript>
var viewModel = {
val: ko.observable()
};
ko.applyBindings(viewModel);
viewModel.val(3);
</script>
Demo
Polymer
<template id="template" is="dom-bind">
<select value="{{ val }}">
<option value="1">Cat</option>
<...
psql: FATAL: role “postgres” does not exist
...R;
CREATE DATABASE postgres WITH OWNER postgres;
But since your postgres.app setup does not seem to do this, you also should not. Simple adapt the tutorial.
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Xcode 'Build and Archive' menu item disabled
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All you need to do is create an Executable File in your project folder... If you start with a fresh project there are NO executable projects, only what you create, be it a .cpp or a .m you need an executable in the folder.
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Force IE compatibility mode off using tags
I am doing work for a client who forces compatibility mode on all intranet sites. I was wondering if there is a tag I can put into my HTML that forces compatibility mode off.
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How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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