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MySQL: Transactions vs Locking Tables

I'm a bit confused with transactions vs locking tables to ensure database integrity and make sure a SELECT and UPDATE remain in sync and no other connection interferes with it. I need to: ...
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Pip freeze vs. pip list

...follow | edited Jan 17 '17 at 2:09 Eric Platon 8,39266 gold badges3636 silver badges4444 bronze badges ...
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How to Test a Concern in Rails

... The method you found will certainly work to test a little bit of functionality but seems pretty fragile—your dummy class (actually just a Struct in your solution) may or may not behave like a real class that includes your concern. Additionally if you're trying to test model ...
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Applying function with multiple arguments to create a new pandas column

... 200 1 20 30 600 2 30 10 300 or vectorize arbitrary function in general case: >>> def fx(x, y): ... return x*y ... >>> df['new_column'] = np.vectorize(fx)(df['A'], df['B']) >>> df A B new_column 0 10 20 200 1 20 30 ...
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How can I display a list view in an Android Alert Dialog?

...og AlertDialog.Builder builderSingle = new AlertDialog.Builder(DialogActivity.this); builderSingle.setIcon(R.drawable.ic_launcher); builderSingle.setTitle("Select One Name:-"); final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(DialogActivity.this, android.R.layout.sele...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

Deep Learning(深度学习)学习笔记整理系列之(三)Deep_Learning_Series_3Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列 zo...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

Deep Learning(深度学习)学习笔记整理系列之(三)Deep_Learning_Series_3Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列 zo...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

Deep Learning(深度学习)学习笔记整理系列之(三)Deep_Learning_Series_3Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列 zo...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

Deep Learning(深度学习)学习笔记整理系列之(三)Deep_Learning_Series_3Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列 zo...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

Deep Learning(深度学习)学习笔记整理系列之(三)Deep_Learning_Series_3Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列 zo...