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What are all the common undefined behaviours that a C++ programmer should know about? [closed]

What are all the common undefined behaviours that a C++ programmer should know about? 11 Answers ...
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa

...ire several tables to properly represent in a relational db. This is especially useful if your data is immutable. Deep query-ability. MongoDB supports dynamic queries on documents using a document-based query language that's nearly as powerful as SQL. No schema migrations. Since MongoDB is schema-...
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How to make a .jar out from an Android Studio project

...Jar.dependsOn(deleteJar, build) Expand gradle panel from right and open all tasks under yourlibrary->others. You will see two new tasks there -- createJar and deleteJar Double click on createJar Once the task run successfully, get your generated jar from path mentioned in createJar task i.e....
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]

...roblem and you could run into the same issue later where you would accidentally access an HTML Object instead of a JavaScript one One remark, you can still access the HTML objects through the (for example) window object by using window['message-text']; ...
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Using fonts with Rails asset pipeline

...path(...). This helper does exactly the same thing but it's more clear. Finally, use your font in your CSS like you declared it in the font-family part. If it was declared capitalized, you can use it like this: font-family: 'Icomoon'; ...
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Why does this async action hang?

I have a multi-tier .Net 4.5 application calling a method using C#'s new async and await keywords that just hangs and I can't see why. ...
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How to render and append sub-views in Backbone.js

... I have generally seen/used a couple of different solutions: Solution 1 var OuterView = Backbone.View.extend({ initialize: function() { this.inner = new InnerView(); }, render: function() { this.$el.html(tem...
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Why doesn't CSS ellipsis work in table cell?

... This is exactly what I needed. I have the table width 100%. And all of the columns except for one with a fixed width. This allows the last column to take up as much space as is left over. – matthew_360 Nov 4 '14 at 18:48 ...
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How to free memory in Java?

... Java uses managed memory, so the only way you can allocate memory is by using the new operator, and the only way you can deallocate memory is by relying on the garbage collector. This memory management whitepaper (PDF) may help explain what's going on. You can also call Sy...
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Capture HTML Canvas as gif/jpg/png/pdf?

...e image will be saved. Location in my local? – chinna_82 Jul 17 '13 at 3:30 5 the image will be d...