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Is it safe to parse a /proc/ file?

... missing in what you see. To see that it's atomic for one read(), look at m_start() in fs/namespace.c and see it grab a semaphore that guards the list of mountpoints, which it keeps until m_stop(), which is called when the read() is done. To see what can go wrong, see this bug from last year (same ...
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SQLAlchemy: how to filter date field?

... for >= and vice versa: qry = DBSession.query(User).filter( and_(User.birthday <= '1988-01-17', User.birthday >= '1985-01-17')) # or same: qry = DBSession.query(User).filter(User.birthday <= '1988-01-17').\ filter(User.birthday >= '1985-01-17') Also you can use betw...
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Make a URL-encoded POST request using `http.NewRequest(…)`

...alues{} data.Set("name", "foo") data.Set("surname", "bar") u, _ := url.ParseRequestURI(apiUrl) u.Path = resource urlStr := u.String() // "https://api.com/user/" client := &http.Client{} r, _ := http.NewRequest(http.MethodPost, urlStr, strings.NewReader(data.Encode()...
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Instance variables vs. class variables in Python

...test: import timeit setup=''' XGLOBAL= 5 class A: xclass = 5 def __init__(self): self.xinstance = 5 def f1(self): xlocal = 5 x = self.xinstance def f2(self): xlocal = 5 x = A.xclass def f3(self): xlocal = 5 x = XGLOBAL ...
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Subscripts in plots in R

... How to load "2" from the variable? I have a loop and need to plot x_[1] x_[2] x_[3] ... – 0x2207 Dec 11 '14 at 11:38 6 ...
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Handling a colon in an element ID in a CSS selector [duplicate]

JSF is setting the ID of an input field to search_form:expression . I need to specify some styling on that element, but that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something? ...
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Use cases for NoSQL [closed]

...e RDBMS way of thinking when we do this analysis – on_ Jan 15 '14 at 8:53 add a comment  |  ...
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Center Oversized Image in Div

...self" src="http://www.fiorieconfetti.com/sites/default/files/styles/product_thumbnail__300x360_/public/fiore_viola%20-%202.jpg" /> </div> </div> share | improve this answer ...
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How to add default value for html ? [closed]

...swered Jun 2 '14 at 16:54 bhavya_wbhavya_w 6,06455 gold badges2525 silver badges3636 bronze badges ...
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Can an html element have multiple ids?

...wed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). share | improve this answer | follow | ...