大约有 30,000 项符合查询结果(耗时:0.0344秒) [XML]

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How to implement an STL-style iterator and avoid common pitfalls?

... http://www.cplusplus.com/reference/std/iterator/ has a handy chart that details the specs of § 24.2.2 of the C++11 standard. Basically, the iterators have tags that describe the valid operations, and the tags have a hierarchy. Below is purely symbolic, these classes don't actually e...
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How to replace ${} placeholders in a text file?

... I have one string with $HOME in it, i found $HOME is worked as default shell to do, instead $HOME as my own /home/zw963, but, it seem like not support $(cat /etc/hostname) substitution, so it not complete match my own demand. ...
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Have bash script answer interactive prompts [duplicate]

... Unfortunately I can't use expect as their are stringent space requirements on the system running this so I can't add extra packages, but piping yes in did the trick, luckily all the prompts only required a 'y' anyway. Thanks. – TJ L ...
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Location of my.cnf file on macOS

...IR, the MySQL base installation directory. file specified with --defaults-extra-file=path if any ~/.my.cnf - User-specific ~/.mylogin.cnf - User-specific (clients only) Source: Using Option Files. Note: On Unix platforms, MySQL ignores configuration files that are world-writable. This is inte...
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boolean in an if statement

...y value of booleanValue including true, any non-zero number, any non-empty string value, any object or array reference, etc... On the other hand: if (booleanValue === true) This will only satisfy the if condition if booleanValue is exactly equal to true. No other truthy value will satisfy it. ...
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How do I make an attributed string using Swift?

...user input just fine, but I need to add a lower case "g" on the end of the string that is formatted differently from the updating numbers. The "g" needs to be attached to the numbers so that as the number size and position changes, the "g" "moves" with the numbers. I'm sure this problem has been so...
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c

...ote: This will strip out (ignore) the characters in question returning the string without them. For me this is ideal case since I'm using it as protection against non-ASCII input which is not allowed by my application. Alternatively: Use the open method from the codecs module to read in the file: ...
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“Pretty” Continuous Integration for Python

...plus install the local package call_command("%sbin/pip install -e ./ --extra-index %s" % (venvDir, UPLOAD_REPO), options.workspace) #make sure pylint, nose and coverage are installed call_command("%sbin/pip install nose pylint coverage epydoc" % venvDir, ...
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Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?

...rrectly and you should see the correct behavior: public static void main (String[] args) { Byte b1=127; Byte b2=127; Short s1=127; //incorrect should use Byte Short s2=127; //incorrect should use Byte Short s3=128; Short s4=128; Integer i1=127; //incorrect should use B...
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Convert a bitmap into a byte array

...er format it was in when you provided it, and returns the array. Skip the extra overhead of creating an ImageConverter class by using MemoryStream share | improve this answer | ...