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callback to handle completion of pipe

...to be informed about when the document is downloaded. i have not seen any callback with pipe.Or, Is there any 'end' event that can be captured on completion of download ? ...
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How do I read CSV data into a record array in NumPy?

... 2. , 3. ], [ 4. , 5.5, 6. ]]) This gives a pandas DataFrame - allowing many useful data manipulation functions which are not directly available with numpy record arrays. DataFrame is a 2-dimensional labeled data structure with columns of potentially different types. You can think ...
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How to prevent errno 32 broken pipe?

... Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn't wait till all the data from the server is received and simply closes a socket (using close...
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“continue” in cursor.forEach()

... Each iteration of the forEach() will call the function that you have supplied. To stop further processing within any given iteration (and continue with the next item) you just have to return from the function at the appropriate point: elementsCollection.forEach(...
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“Application tried to present modally an active controller”?

...trollers instantiated like so: UIViewController* vc1 = [[UIViewController alloc] init]; UIViewController* vc2 = [[UIViewController alloc] init]; UIViewController* vc3 = [[UIViewController alloc] init]; You have added them to a tab bar like this: UITabBarController* tabBarController = [[UITabBarC...
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SELECT DISTINCT on one column

... this is really useful case in any various duplication thank you – ASLIM Jan 13 at 8:08 add a comment ...
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Python Requests library redirect new url

...is myself, I hope it might be useful for someone else. If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Inste...
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Add a number to each selection in Sublime Text 2, incremented once per selection

...nd that I had to first select the lines and use Ctrl + Shift + L to select all affected lines, then use Text Pastry for numbering, youtube.com/watch?v=upEieoTwnjs – Manish Jul 4 '15 at 13:04 ...
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat

...ssic C array. That means its size is fixed at compile time and it will be allocated as a single chunk (e.g. taking space on the stack). The advantage it has is slightly better performance because there is no indirection between the object and the arrayed data. std::vector is a small class contain...
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How to select/get drop down option in Selenium 2

...elect(driver.findElement(By.xpath("//path_to_drop_down"))); select.deselectAll(); select.selectByVisibleText("Value1"); To get the first selected value: WebElement option = select.getFirstSelectedOption() share ...