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Define preprocessor macro through CMake?

...nitions, include directories, and compiler options). An example using the new add_compile_definitions: add_compile_definitions(OPENCV_VERSION=${OpenCV_VERSION}) add_compile_definitions(WITH_OPENCV2) Or: add_compile_definitions(OPENCV_VERSION=${OpenCV_VERSION} WITH_OPENCV2) The good part about...
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jQuery: checking if the value of a field is null (empty)

...options for your user whose <option>s will come from some sort of validation. – Malcolm Salvador Aug 1 '17 at 3:18 ...
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How to convert a JSON string to a Map with Jackson JSON

...public void testJackson() throws IOException { ObjectMapper mapper = new ObjectMapper(); File from = new File("albumnList.txt"); TypeReference<HashMap<String,Object>> typeRef = new TypeReference<HashMap<String,Object>>() {}; HashMap<String...
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Is it possible to refresh a single UITableViewCell in a UITableView?

...To reload the entire table, add the [self.tableView reloadData]; to your new refresh method. If you wish to reload the data every time you switch views, implement the method: //ensure that it reloads the table view data when switching to this view - (void) viewWillAppear:(BOOL)animated { [s...
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How to change time in DateTime?

...ime value - it's immutable. However, you can change the variable to have a new value. The easiest way of doing that to change just the time is to create a TimeSpan with the relevant time, and use the DateTime.Date property: DateTime s = ...; TimeSpan ts = new TimeSpan(10, 30, 0); s = s.Date + ts; ...
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count members with jsonpath?

...he following: final int count = 4; // expected count jsonPath("$").value(new BaseMatcher() { @Override public boolean matches(Object obj) { return obj instanceof JSONObject && ((JSONObject) obj).size() == count; } @Override public void describeTo(Description de...
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Select count(*) from multiple tables

... It makes no difference, Oracle won't evaluate anything inside COUNT(*). – Quassnoi Mar 3 '09 at 12:57 4 ...
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Code signing certificate for open-source projects?

... Worked fine, thanks a lot! Do you know if they renew the certificate for free after the 1-year period? Or is this just a trial period and then it becomes a paid certificate? – Al-Khwarizmi Dec 19 '14 at 9:36 ...
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Human readable javascripts in chrome developer tools

...unction () { StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4484407%2fhuman-readable-javascripts-in-chrome-developer-tools%23new-answer', 'question_page'); } ); ...
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How does TransactionScope roll back transactions?

...ead, and modifies it if it needs to based on the model (requires, requires new, etc, etc). The transaction simply notifies anything that enlists with it, not just database connections. – casperOne Jan 30 '09 at 16:26 ...