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Read file line by line using ifstream in C++
...token-based parsing doesn't gobble up newlines, so you may end up with spurious empty lines if you use getline() after token-based extraction got you to the end of a line already.
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without
...way to preview HTML files on GitHub is to go to https://htmlpreview.github.io/ or just prepend it to the original URL, i.e.: https://htmlpreview.github.io/?https://github.com/bartaz/impress.js/blob/master/index.html
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...2.7.10: TypeError: 'encoding' is an invalid keyword argument for this function
– Borhan Kazimipour
Dec 3 '18 at 6:44
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...my in-app purchase library RMStore. I will explain how to verify a transaction, which includes verifying the whole receipt.
At a glance
Get the receipt and verify the transaction. If it fails, refresh the receipt and try again. This makes the verification process asynchronous as refreshing the rec...
How to change UIPickerView height
Is it possible to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
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UITableView - scroll to the top
...o the top. But I cannot guarantee that the first object is going to be section 0, row 0. May be that my table view will start from section number 5.
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Delete/Reset all entries in Core Data?
...nd safe, and can certainly be done programatically at runtime.
Update for iOS5+
With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the ext...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
...) that had a separator character of ":" and you had a machine with 2 partitions, one in NTFS and one in BringerFS, this functionality would allow you to use both (assuming I also wrote a Java Filesystem provider).
– Bringer128
Nov 10 '11 at 6:05
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Swift: Determine iOS Screen size [duplicate]
I would like to use Swift code to properly position items in my app for no matter what the screen size is. For example, if I want a button to be 75% of the screen wide, I could do something like (screenWidth * .75) to be the width of the button. I have found that this could be determined in Object...
C++程序结果出现1.#inf 1.#IO - C/C++ - 清泛IT论坛，有思想、有深度
表象原因：浮点数越界了（超过FLT_MAX最大值了），1.#IO是 %lf 格式化出来的字符串。
极可能原因：除0了，也就是f1 = f2 / 0。
做任何除法时，分母为零的判断不可少。