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Is optimisation level -O3 dangerous in g++?
I have heard from various sources (though mostly from a colleague of mine), that compiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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How do you configure an OpenFileDialog to select folders?
In VS .NET, when you are selecting a folder for a project, a dialog that looks like an OpenFileDialog or SaveFileDialog is displayed, but is set up to accept only folders. Ever since I've seen this I've wanted to know how it's done. I am aware of the FolderBrowserDialog, but I've never really like...
How do I view / replay a chrome network debugger har file saved with content?
I love the network debugger, that being said, what programs are out there that let me step forward and backward through multiple 'hars' so I can replay them? if the 'hars' are saved with content, can the replay handle that as well?
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Get elements by attribute when querySelectorAll is not available without using libraries?
How can you do the equivalent to
8 Answers
8
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How to name factory like methods?
I guess that most factory-like methods start with create . But why are they called " create "? Why not " make ", " produce ", " build ", " generate " or something else? Is it only a matter of taste? A convention? Or is there a special meaning in "create"?
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How can I remove an SSH key?
I currently have an old SSH key uploaded on a server. The problem is I lost my ~/.ssh directory (with the original id_rsa and id_rsa.pub files).
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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
In PostgreSQL I have a table with a varchar column. The data is supposed to be integers and I need it in integer type in a query. Some values are empty strings.
The following:
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
I installed Ubuntu 14.04 (Trusty Tahr) yesterday. Everything seems OK. But when I tried to compile some C code, I encounter the following error. The error seems to be due to the OS lacking the 32-bit architecture support. The error output is as following:
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How can I get the current page name in WordPress?
What PHP code can be used to retrieve the current page name in a WordPress theme?
19 Answers
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How do I exit a WPF application programmatically?
In the few years I've been using C# (Windows Forms), I've never used WPF. But, now I love WPF, but I don't know how I am supposed to exit my application when the user clicks on the Exit menu item from the File menu.
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