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How to get multiple counts with one SQL query?

...or_id, count(*) AS total, sum(case when level = 'exec' then 1 else 0 end) AS ExecCount, sum(case when level = 'personal' then 1 else 0 end) AS PersonalCount FROM yourtable GROUP BY distributor_id share ...
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Accessing elements of Python dictionary by index

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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

...shCode() { int result = firstName != null ? firstName.hashCode() : 0; result = 31 * result + (lastName != null ? lastName.hashCode() : 0); return result; } public String toString() { return "Person(" + firstName + "," + lastName + ")"; } } Then, in usag...
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Logical operator in a handlebars.js {{#if}} conditional

... | edited Jun 10 '13 at 18:24 Peter Bratton 5,93455 gold badges3333 silver badges6060 bronze badges ...
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How can I pass selected row to commandLink inside dataTable or ui:repeat?

...the requirement. If your servletcontainer supports a minimum of Servlet 3.0 / EL 2.2, then just pass it as an argument of action/listener method of UICommand component or AjaxBehavior tag. E.g. <h:commandLink action="#{bean.insert(item.id)}" value="insert" /> In combination with: public v...
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jQuery Set Cursor Position in Text Area

... $("#set-textarea").click(function() { setCaretToPos($("#the-textarea")[0], 10) }); $("#set-input").click(function() { setCaretToPos($("#the-input")[0], 10); }); <textarea id="the-textarea" cols="40" rows="4">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tem...
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Focus Next Element In Tab Index

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How to check if a variable is a dictionary in Python?

... 300 You could use if type(ele) is dict or use isinstance(ele, dict) which would work if you had su...
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Use numpy array in shared memory for multiprocessing

...) logger.setLevel(logging.INFO) # create shared array N, M = 100, 11 shared_arr = mp.Array(ctypes.c_double, N) arr = tonumpyarray(shared_arr) # fill with random values arr[:] = np.random.uniform(size=N) arr_orig = arr.copy() # write to arr from different proces...
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Convert a string representation of a hex dump to a byte array using Java?

...nt len = s.length(); byte[] data = new byte[len / 2]; for (int i = 0; i < len; i += 2) { data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i+1), 16)); } return data; } Reasons why it is an improveme...