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How to check if a value exists in an array in Ruby

... match. Don't use these: # bad examples array.grep(element).any? array.select { |each| each == element }.size > 0 ... share | improve this answer |
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How to add title to subplots in Matplotlib?

...set_title can be used to set title, once the proper axes(ax) or subplot is selected. import matplotlib.pyplot as plt fig, ax = plt.subplots(2, 2, figsize=(6, 8)) for i in range(len(ax)): for j in range(len(ax[i])): ## ax[i,j].imshow(test_images_gr[0].reshape(28,28)) ax[...
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Method overloading in Objective-C?

... @RaheelSadiq It isn't overloading because the method names (In ObjC: 'selectors') are different. Being different, neither one is considered 'overloaded'. If writeToFile:from: were defined twice, with only the parameter types being different, then that would be overloading. As stated though, t...
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How to jQuery clone() and change id?

....Bulijan pointed out.. you need to use .insertAfter to insert it after the selected div. Also see updated code if you want it appended to the end instead of beginning when cloned multiple times. DEMO Code: var cloneCount = 1;; $("button").click(function(){ $('#id') .clone() ...
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Entity Framework Join 3 Tables

...equals t.TID where e.OwnerID == user.UID select new { UID = e.OwnerID, TID = e.TID, Title = t.Title, EID = e.EID }).Take(10); And you should probably add orderby c...
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How do disable paging by swiping with finger in ViewPager but still be able to swipe programmaticall

...Enabled(boolean enabled) { this.enabled = enabled; } } Then select this instead of the built-in viewpager in XML <mypackage.CustomViewPager android:id="@+id/myViewPager" android:layout_height="match_parent" android:layout_width="match_parent" /> You just need t...
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PHP + MySQL transactions examples

..._connect("localhost","Dude1", "SuperSecret") or die(mysql_error()); mysql_select_db("bedrock") or die(mysql_error()); $query = "INSERT INTO employee (ssn,name,phone) values ('123-45-6789','Matt','1-800-555-1212')"; begin(); // transaction begins $result = mysql_query($query); if(!$result){ ...
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Simple way to find if two different lists contain exactly the same elements?

...) because we are doing O(2*n) insertions into a hashmap and O(3*n) hashmap selects. I have not fully tested this code, so beware :) //Returns true: listsAreEquivelent(Arrays.asList("A","A","B"),Arrays.asList("B","A","A")); listsAreEquivelent(null,null); //Returns false: listsAreEquivelent(Arrays.as...
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How can I time a code segment for testing performance with Pythons timeit?

... Rather than select a clock by hand, use timeit.default_timer; Python has already done the work for you. But really, you should use timeit.timeit(myfast, number=n) instead of re-inventing the repetitive call wheel (and miss the fact that ...
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What size should TabBar images be?

...tabBarItem3.title = @""; tabBarItem4.title = @""; [tabBarItem1 setFinishedSelectedImage:[self imageWithImage:[UIImage imageNamed:@"item1-select.png"] scaledToSize:CGSizeMake(x, y)] withFinishedUnselectedImage:[self imageWithImage:[UIImage imageNamed:@"item1-deselect.png"] scaledToSize:CGSizeMake(x,...