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Programmatically Determine a Duration of a Locked Workstation?

...SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch); void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e) { if (e.Reason == SessionSwitchReason.SessionLock) { //I left my desk } else if (e.Reason == ...
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RichTextBox (WPF) does not have string property “Text”

... How about just doing the following: _richTextBox.SelectAll(); string myText = _richTextBox.Selection.Text; share | improve this answer | ...
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Oracle TNS names not showing when adding new connection to SQL Developer

...g location in this order for a tnsnames.ora file $HOME/.tnsnames.ora $TNS_ADMIN/tnsnames.ora TNS_ADMIN lookup key in the registry /etc/tnsnames.ora ( non-windows ) $ORACLE_HOME/network/admin/tnsnames.ora LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME To see...
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Django migration strategy for renaming a model and relationship fields

...ration(migrations.Migration): dependencies = [ ('myapp', '0001_initial'), ] operations = [ migrations.RenameModel('Foo', 'Bar'), migrations.RenameField('AnotherModel', 'foo', 'bar'), migrations.RenameField('YetAnotherModel', 'foo', 'bar') ] You ma...
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How to append text to an existing file in Java?

...catch(IOException ex){ ex.printStackTrace(); } – php_coder_3809625 Aug 18 '16 at 12:12 ...
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Why can lambdas be better optimized by the compiler than plain functions?

...tantiation (created by the compiler): template <> void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) { for (; begin != end; ++begin) *begin = f.operator()(*begin); } … the compiler knows _some_lambda_type::operator () and can inline calls to it ...
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How to use glOrtho() in OpenGL?

...using the following code every time the window is resized: glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0.0f, windowWidth, windowHeight, 0.0f, 0.0f, 1.0f); This will remap the OpenGL coordinates into the equivalent pixel values (X going from 0 to windowWidth and Y going from 0 to window...
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How can I change the default Django date template format?

... date template tag settings.DATE_FORMAT share | improve this answer | follow | ...
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How to read/write from/to file using Go?

... n == 0 { break } // write a chunk if _, err := fo.Write(buf[:n]); err != nil { panic(err) } } } Here I used os.Open and os.Create which are convenient wrappers around os.OpenFile. We usually don't need to call OpenFile directly. Notice...
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How to convert 2D float numpy array to 2D int numpy array?

... you can use np.int_: >>> x = np.array([[1.0, 2.3], [1.3, 2.9]]) >>> x array([[ 1. , 2.3], [ 1.3, 2.9]]) >>> np.int_(x) array([[1, 2], [1, 2]]) ...