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Where is the Keytool application?

...\Program Files\Java\jdk1.8.0_121\bin It is used for managing keys and certificates you can sign things with, in your case, probably a jar file. If you provide more details of what you need to do, we could probably give you a more specific answer. ...
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How do you sign a Certificate Signing Request with your Certification Authority?

...arlier, because they can complicate things (they were unused at the time). Now you'll see how they are used, so hopefully they will make sense. base_dir = . certificate = $base_dir/cacert.pem # The CA certifcate private_key = $base_dir/cakey.pem # The CA private key new_certs_dir = $b...
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What is Scala's yield?

... or from a in args select a.toUpperCase in Linq. Ruby's yield has a different effect. share | improve this answer | follow | ...
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Does Java have something like C#'s ref and out keywords?

... That is not 100% true, If you pass in an array or a class the reference to the array or object is passed in by value, You can change internals to the array or object and it will be reflected in the caller. – Romain Hippeau ...
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How do I convert a Vector of bytes (u8) to a string

...s not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available). The library reference for the conversion function: std::str::from_utf8 ...
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Efficiently updating database using SQLAlchemy ORM

...d plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session. So if you say for c in session.que...
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Why does `a == b or c or d` always evaluate to True?

...integer as True. In [11]: if 3: ...: print ("yey") ...: yey Now, Python builds on that logic and let you use logic literals such as or on integers, and so In [9]: False or 3 Out[9]: 3 Finally In [4]: a==b or c or d Out[4]: 3 The proper way to write it would be: In [13]: if a i...
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Using querySelectorAll to retrieve direct children

...do "combinator rooted queries" (as John Resig called them) did not exist. Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edge or IE, but has been supported by Safari for a few years already. Using that, your code could become: let myDiv = getEle...
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Resolving ambiguous overload on function pointer and std::function for a lambda using +

...ked up by an argument by Daniel Krügler, this unary + trick should be specified behaviour, i.e. you can rely on it (see discussion in the comments). Still, I'd recommend using an explicit cast to the function pointer type if you want to avoid the ambiguity: you don't need to ask on SO what is does...
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)

...; var lastLongI = 1; for(var i=0;i<10000;i++) { var before = Date.now(); for(var j=0;j<arrayCount;j++) dynamicArrays[j][i] = i; var span = Date.now() - before; if (span > 10) { console.log(i + ": " + span + "ms" + " " + (i / lastLongI)); lastLongI =...