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Wrong requestCode in onActivityResult

... You are calling startActivityForResult() from your Fragment. When you do this, the requestCode is changed by the Activity that owns the Fragment. If you want to get the correct resultCode in your activity try this: Change: startA...
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing

... You have to give %% to use it as % because % in python is use as string formatting so when you write single % its assume that you are going to replace some value with this. So when you want to place single % in string with query allways place double %. ...
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How to install multiple python packages at once using pip

...stall all the packages listed in the given requirements file. This option can be used multiple times. Take a look at the pip documentation regarding requirements files for their general layout and syntax - note that you can generate one based on current environment / site-packages with pip freeze ...
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Convert hex string to int

...t a string that is 8 characters long of hex code into an integer so that I can do int comparison instead of string comparisons over a lot of different values. ...
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Best way to add comments in erb

...as OK in the ERB that shipped with 1.8.6, but when I switched to 1.8.7, it caused lots of problems. – John Douthat May 5 '10 at 22:20 17 ...
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程序员之网络安全系列(二):如何安全保存用户密码及哈希算法 - 更多技术 ...

...3 => nil 2.2.3 :006 > puts Digest::MD5.hexdigest('I love you !') b2c63c3ca6019cff3bad64fcfa807361 => nil 2.2.3 :007 > puts Digest::MD5.hexdigest('I love you') e4f58a805a6e1fd0f6bef58c86f9ceb3 => nil 2.2.3 :008 > 那么我们在使用MD5保存密码时候的验证流程是什么呢? ...
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Windows can't find the file on subprocess.call()

... When the command is a shell built-in, add a 'shell=True' to the call. E.g. for dir you would type: import subprocess subprocess.call('dir', shell=True) To quote from the documentation: The only time you need to specify shell=True on Windows is when the command you wish to execute ...
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Check if a key exists inside a json object

... "sam", mobileNo: "9874563210", orderID: "123456", passkey: "1234" } you can find the details here share | improve this answer | follow | ...
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File Hash 扩展:文件哈希计算和 Base64 编码文件,sha256、sha512 哈希 ·...

... 当 计算哈希按钮.被点击 设置 文件路径 为 "/sdcard/test.txt" 设置 sha256结果 = FileHash1.GetSHA256(文件路径) 设置 哈希值标签.文本 = "SHA256: " & sha256结果 同时计算 SHA256 和 SHA512 当 计算按钮.被点击 如果...
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Way to get all alphabetic chars in an array in PHP?

Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them? 14 Answers...