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mysql -> insert into tbl (select from another table) and some default values [duplicate]

... If you want to insert all the columns then insert into def select * from abc; here the number of columns in def should be equal to abc. if you want to insert the subsets of columns then insert into def (col1,col2, col3 ) select scol1,scol2,...
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What are Transient and Volatile Modifiers?

... Actually, the JLS permits static and transient to be used together. The problem is it makes little sense, because typical serialization mechanisms don't persist statics anyway. – Stephen C ...
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ASP.NET Web API Authentication

...rom a client application while using the ASP.NET Web API . I have watched all the videos on the site and also read this forum post . ...
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Why is the JVM stack-based and the Dalvik VM register-based?

...s for instructions are largely implicit, the object code will tend to be smaller. This is important if you're going to be downloading the code over a slow network link. Going with a register-based scheme probably means that Dalvik's code generator doesn't have to work as hard to produce performant...
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How to remove an item from an array in AngularJS scope?

... Your issue is not really with Angular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current inde...
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?

I'm hoping someone can provide some insight as to what's fundamentally different about the Java Virtual Machine that allows it to implement threads nicely without the need for a Global Interpreter Lock (GIL), while Python necessitates such an evil. ...
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bower init - difference between amd, es6, globals and node

...what is and why AMD what is a nodejs module what is ecmascript 6 and especially es6 modules [UPDATE] This feature was introduced very recently in bower and is not documented at all yet (AFAIK). It essentially describes the moduleType, which states for what module technology the package is meant t...
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Java Generics (Wildcards)

...f bounded wildcards. An unbounded wildcard looks like <?>, and basically means <? extends Object>. It loosely means the generic can be any type. A bounded wildcard (<? extends T> or <? super T>) places a restriction on the type by saying that it either has to extend a spec...
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How to turn on/off ReactJS 'development mode'?

...me helpers off during production. Just using the minified react will leave all those potential optimizations on the table as well. Ultimately the magic comes down to React embedding references to process.env.NODE_ENV throughout the codebase; these act like a feature toggle. if (process.env.NODE_ENV ...
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How to handle AccessViolationException

...ing a COM object (MODI) from within my .net application. The method I am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and everythin...