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How to check Django version

... Just dive into env before you check the version, otherwise no module named django. – EngineSense Feb 5 at 5:37 Rem...
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What is “git remote add …” and “git push origin master”?

...t being said, once you understand its paradigms and concepts, it has the same zenlike clarity that I've come to expect from UNIX command line tools. You should consider taking some time off to read one of the many good git tutorials available online. The Pro Git book is a good place to start. To ans...
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How to map with index in Ruby?

... If you're using ruby 1.8.7 or 1.9, you can use the fact that iterator methods like each_with_index, when called without a block, return an Enumerator object, which you can call Enumerable methods like map on. So you can do: arr.each_with_index.map { |x,i| [x, i+2] } In 1.8.6 you can do: req...
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Counting array elements in Python [duplicate]

How can I count the number of elements in an array, because contrary to logic array.count(string) does not count all the elements in the array, it just searches for the number of occurrences of string. ...
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How do you use bcrypt for hashing passwords in PHP?

.... While the encryption phase of Eksblowfish and Blowfish are exactly the same, the key schedule phase of Eksblowfish ensures that any subsequent state depends on both salt and key (user password), and no state can be precomputed without the knowledge of both. Because of this key difference, bcrypt i...
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How to destroy a DOM element with jQuery?

... Of course this only removes it from the visible document. If there are other references to the node from JavaScript, such as the $target variable itself, the object will escape the garbage collector for now. If you want to DESTROY it you also have to lose all references to it....
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What should Xcode 6 gitignore file include?

... Pods - for those of you who use CocoaPods Pods which I believe is the same .gitignore that GitHub sets up with all their repositories by default. 2) Another answer is that there's a website called "gitignore.io" , which generates the files based on the .gitignore templates from https://github.c...
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How to send objects in NIB files to front/back?

...ject to select it. Thanks to Bryce Thomas for this suggestion in the comments Alternatively, the objects are listed from back to front in the order that they appear in the object browser list. Drag an object in the list to the last slot in the list to bring it to the front, for example. ...
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How to get a float result by dividing two integer values using T-SQL?

... you're looking for a constant. If you need to use existing fields or parameters which are integers, you can cast them to be floats first: SELECT CAST(1 AS float) / CAST(3 AS float) or SELECT CAST(MyIntField1 AS float) / CAST(MyIntField2 AS float) ...
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How to sum all the values in a dictionary?

...12 also works well with sum(d.values()) – LancelotHolmes Jan 17 '17 at 1:14 7 @LancelotHolmes Yes...