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Differences in auto-unboxing between Java 6 vs Java 7
...1) of allowed conversions (this table is not included in the Java 5/6 JLS) from reference types to primitives. This explicitly lists casts from Object to primitives as a narrowing reference conversion with unboxing.
The reason is explained in this email:
Bottom line: If the spec. allows (Objec...
Secure hash and salt for PHP passwords
...sentence with supercalifragilisticexpialidocious in it, don't prevent them from using it.
Don't strip or escape HTML and special characters in the password.
Never store your user's password in plain-text.
Never email a password to your user except when they have lost theirs, and you sent a temporary...
What are the correct version numbers for C#?
...ll see that Mono 2.0 (mostly implemented version 2.0 of the .NET Framework from the ECMA specifications) supports the C# 3.0 syntax and features.
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Callback on CSS transition
...pture mode, the second is bubble mode. In capture mode, the event descends from the body element to the specified element. It then enters bubble mode, where it does the reverse. That final false param specifies that you want the event listener to occur in bubble mode. One use of this is to attach ev...
PowerMockito mock single static method and return object
I want to mock a static method m1 from a class which contains 2 static methods, m1 and m2. And I want the method m1 to return an object.
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How do I define a method which takes a lambda as a parameter in Java 8?
...ublic Web-accessible version of the Lambda-enabled Java 8 JavaDocs, linked from http://lambdafaq.org/lambda-resources. (This should obviously be a comment on Joachim Sauer's answer, but I can't get into my SO account with the reputation points I need to add a comment.) The lambdafaq site (I mainta...
Using success/error/finally/catch with Promises in AngularJS
...hey also provide exception handling, just like normal code, you can return from a promise or you can throw.
What you'd want in synchronous code is:
try{
try{
var res = $http.getSync("url");
res = someProcessingOf(res);
} catch (e) {
console.log("Got an error!",e);
throw...
What is the difference between 'content' and 'text'
...ndle such responses without access to the byte stream, but it's a long way from the common case, where you just want correctly-decoded Unicode text.
– holdenweb
Nov 8 '18 at 12:12
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Split column at delimiter in data frame [duplicate]
...t, make it into a data frame, rename it appropriately (the rename function from the reshape package is handy for doing this on the fly) and then rbind it with the existing data frame -- extra effort to get it inserted in place of the previous single column rather than as the first or last columns .....
Rollback to an old Git commit in a public repo
...u can undo this by
git reset --hard
that will delete all modifications from the working directory and staging area.
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