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Determine the line of code that causes a segmentation fault?

...e tutorial to get you started with GDB. Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides. share ...
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Faster s3 bucket duplication

...uckets without having to download and upload each file. The command I normally run to duplicate buckets using s3cmd is: 7 ...
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Handlebars.js Else If

... {{#if FriendStatus.IsFriend}} <div class="ui-state-default ui-corner-all" title=".ui-icon-mail-closed"><span class="ui-icon ui-icon-mail-closed"></span></div> {{else if FriendStatus.FriendRequested}} <div class="ui-state-default ui-corner-all" title=".ui-icon-check"&g...
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Ubuntu rails install fails on zlib

...ard time getting Rails going. I have followed a number of tutorials which all seem to work fine, but when I try and use gem install or gem update on anything, I get an error that looks like this: ...
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JavaScript before leaving the page

... Just a note, if you want to conditionally display a message in onbeforeunload, return false will make the browser show "false" in a dialog. You need to return undefined if you want to let the window close with no user alert. – Dan Fitch ...
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How do I remove the blue styling of telephone numbers on iPhone/iOS?

... Two options… 1. Set the format-detection meta tag. To remove all auto-formatting for telephone numbers, add this to the head of your html document: <meta name="format-detection" content="telephone=no"> View more Apple-Specific Meta Tag Keys. Note: If you have phone numbers...
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What does PHP keyword 'var' do?

...tants states that var must not be used, and visibility must be declared on all properties. – Charles Wood Nov 11 '19 at 14:23 ...
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“ImportError: No module named” when trying to run Python script

...the notebook to operate from in your ipython_notebook_config.py file (typically using the c.NotebookManager.notebook_dir setting). The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys.path list. In your notebook, fi...
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What's a correct and good way to implement __hash__()?

...be integers, and there aren't too many of them, I suppose you could potentially run slightly faster with some home-rolled hash, but it likely wouldn't be as well distributed. hash((self.attr_a, self.attr_b, self.attr_c)) is going to be surprisingly fast (and correct), as creation of small tuples is ...
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How do I fire an event when a iframe has finished loading in jQuery?

... FWIW, all of them (even PDF) worked for me with Chrome on OS X. – pkaeding Apr 29 '11 at 5:39 ...