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Getting root permissions on a file inside of vi? [closed]

...e command causes Vim to prompt for password but not accept input. It eventually times out on two attempts and says: sudo: 1 incorrect password attempt – cmcginty Feb 24 '09 at 3:14 ...
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How do I programmatically determine if there are uncommitted changes?

...ing git diff once solves the issue (surprisingly enough, git diff does actually change the content of the sandbox, meaning here .git/index) These timestamp issues can also occur if git is running in docker. Original answer: "Programmatically" means never ever rely on porcelain commands. Always rel...
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How to allow http content within an iframe on a https site

...e server online. Do the following steps: Prepare your proxy server - install IIS, Apache Get valid SSL certificate to avoid security errors (free from startssl.com for example) Write a wrapper, which will download insecure content (how to below) From your site/app get https://yourproxy.com/?page=h...
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Is the NOLOCK (Sql Server hint) bad practice?

... It is occassionally useful, but not normally for production. I use it frequently for pulling out a sample of data to test with or for generating reports where I mostly care about rough order of magnitude where a dirty read won't matter. ...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...
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How to get a variable value if variable name is stored as string?

...our script using /bin/sh? If so, try using /bin/bash instead. From Debian Squeeze onwards, /bin/sh was changed to be a symlink for dash instead of bash. dash doesn't support this particular syntax and will output a Bad substitution error. – Phil Ross Aug 8 '13 ...
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HTTP error 403 in Python 3 Web Scraping

...ily detected). Try setting a known browser user agent with: from urllib.request import Request, urlopen req = Request('http://www.cmegroup.com/trading/products/#sortField=oi&sortAsc=false&venues=3&page=1&cleared=1&group=1', headers={'User-Agent': 'Mozilla/5.0'}) webpage = urlop...
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What it the significance of the Javascript constructor property?

...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation. Original answer The constructor property makes absolutely no pra...
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How to version REST URIs

...resource is returning some variant of application/vnd.yourcompany.user+xml all you need to do is create support for a new application/vnd.yourcompany.userV2+xml media type and through the magic of content negotiation your v1 and v2 clients can co-exist peacefully. In a RESTful interface, the closes...
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Is there a RegExp.escape function in Javascript?

... actually, we don't need to escape / at all – thorn̈ Feb 14 '13 at 20:53 29 ...