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What are the differences between a pointer variable and a reference variable in C++?

...e cumbersome to use, thus violating the language design principle that the best-practice solution should be easier than the alternatives. share | improve this answer | follow...
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Android: How to change CheckBox size?

...just more complicated, see at the end). <CheckBox android:id="@+id/item_switch" android:layout_width="160dp" <!-- This is the size you want --> android:layout_height="160dp" android:button="@null" android:background="?android:attr/listChoiceIndicatorMultiple"/> ...
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How to check if multiple array keys exists

...is approach is the most brief I've found. array_diff() returns an array of items present in argument 1 not present in argument2. Therefore an empty array indicates all keys were found. In php 5.5 you could simplify 0 === count(…) to be simply empty(…). array_reduce + unset if (0 === count(arra...
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Change the selected value of a drop-down list with jQuery

... These solutions seem to assume that each item in your drop down lists has a val() value relating to their position in the drop down list. Things are a little more complicated if this isn't the case. To read the selected index of a drop down list, you would use this:...
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jQuery AJAX cross domain

... // loop JSON array (debug) //var str=""; //$.each(data.items, function(i,item) { // str += item.title + "\n"; //}); //alert(str); }, error: function(jqXHR, textStatus, ex) { alert(textStatus + "," + ex + "," + jqXHR.responseText); } })...
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What are the differences between the urllib, urllib2, urllib3 and requests module?

... @PaulBiggar you say this is the best answer. But it does not really answer the question. I came here to find out about differences between urllib and urllib2. Especially about url encoding features. The answer: use requests! ;) Just saying you might want to...
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Better way to check if a Path is a File or a Directory?

...trol when populating the control that contains additional metadata for the item. For instance, you could add a FileInfo object for files and a DirectoryInfo object for directories and then test for the item type in the tag property to save making additional system calls to get that data when clicki...
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SVG get text element width

... Best solution so far! Thanks for sharing! – just_user Oct 23 '18 at 8:52 ...
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How to upload a file in Django? [closed]

...ver, for the upcoming viewers, you should check the code in gitHub for the best compatibility with new versions of Python and Django. For example, the the views.py, render_to_response() should be replaced with render(request,...,) to avoid the CSRF error. Cheers. – Huy Than ...
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?

.... Instead, sets are very useful any time one needs a collection containing items that cannot be repeated, and offer tools such as difference and intersection that are useful in modeling real life use cases. – Pintun Dec 15 '16 at 15:05 ...