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How to navigate a few folders up?

...} return file; } Note: Application.StartupPath is usually used in WinForms applications, but it works in console applications as well; however, you will have to set a reference to the System.Windows.Forms assembly. You can replace Application.StartupPath by Path.GetDirectoryName(Assembly.GetEx...
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Difference between Covariance & Contra-variance

...orresponding type in the second set is IEnumerable<T>. Or, in short form, the mapping is T → IE<T>. Notice that this is a "thin arrow". With me so far? Now let's consider a relation. There is an assignment compatibility relationship between pairs of types in the first set. A value o...
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Bigger Glyphicons

... solved. <div class="input-group"> <input type="text" class="form-control" id="pesquisarinbox" placeholder="Pesquisar na Caixa de Entrada"> <div class="input-group-btn"> <button class="btn btn-default" type="button"> <span class="glyphicon glyp...
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VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ink?url=aACR7rxqUM4PIwFwb4zkkh_BwVFjQ5vDMSrwnNrvFrdlDPB_dGqHQ8q0s75HRKIM35601CQZ6J5dEv3XomzbmN0AhfBvRDieDHmJLqhW7YC 先进入控制台打开SSH功能 使用SSH 客户端连接到ESX1上进行操作 网上找到的解决方法如下: 按照如下操作 系统提示 是GTP格...
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Does the Java &= operator apply & or &&?

...Compound Assignment Operators. A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated only once. So a &= b; is equivalent to a = a & b;. (In some usages, the type-casting makes a difference...
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How to concatenate strings in twig

...e argument, with filters on the variable and the function token itself: {{ form_open('admin/files/?path='~file_path|urlencode)|raw }} No need for an extra variable. – Wesley Murch Mar 9 '12 at 6:28 ...
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How do I convert dates in a Pandas data frame to a 'date' data type?

... Use astype In [31]: df Out[31]: a time 0 1 2013-01-01 1 2 2013-01-02 2 3 2013-01-03 In [32]: df['time'] = df['time'].astype('datetime64[ns]') In [33]: df Out[33]: a time 0 1 2013-01-01 00:00:00 1 2 2013-01-02 00:00:00 2 3 2013-01-03 00:00:00...
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How to show disable HTML select option in by default?

... we can disable using this technique. <select class="form-control" name="option_select"> <option selected="true" disabled="disabled">Select option </option> <option value="Option A">Option A</option> <option value="Option B">Option B</o...
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std::function vs template

...statically (i.e. at compile time), so the compiler has all the necessary information to optimize and possibly inline the code (which would not be possible if the call were performed through a vtable). Yes, it is true that template support is not perfect, and C++11 is still lacking a support for con...
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pandas read_csv and filter columns with usecols

...as as pd from StringIO import StringIO csv = r"""dummy,date,loc,x bar,20090101,a,1 bar,20090102,a,3 bar,20090103,a,5 bar,20090101,b,1 bar,20090102,b,3 bar,20090103,b,5""" df = pd.read_csv(StringIO(csv), header=0, index_col=["date", "loc"], usecols=["date", "loc", "x"], ...