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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
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Use an Iterator and call remove():
Iterator<String> iter = myArrayList.iterator();
while (iter.hasNext()) {
String str = iter.next();
if (someCondition)
iter.remove();
}
...
How to create separate AngularJS controller files?
...rl2', ['$scope', '$http', function($scope, $http){
}]);
Include in that order. I recommend 3 files so the module declaration is on its own.
As for folder structure there are many many many opinions on the subject, but these two are pretty good
https://github.com/angular/angular-seed
http://b...
node.js require all files in a folder?
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When require is given the path of a folder, it'll look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails.
It would probably make most sense (if you have control over the folder) to create an index.js file and then assign all the "mod...
Usages of Null / Nothing / Unit in Scala
... only use Nothing if the method never returns (meaning it cannot complete normally by returning, it could throw an exception). Nothing is never instantiated and is there for the benefit of the type system (to quote James Iry: "The reason Scala has a bottom type is tied to its ability to express vari...
Removing the title text of an iOS UIBarButtonItem
... the blue chevron on the navigation bar. Keep in mind that I'm developing for iOS 7. I've tried several methods, including, but not limited to:
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Android Studio inline compiler showing red errors, but compilation with gradle works fine
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This worked for me deleting .gradle and .idea and then doing invalidate and restart solved my problem. and then sync with gradle.
– Pankaj
Apr 25 '18 at 6:20
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How to copy a directory structure but only include certain files (using windows batch files)
As the title says, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure:
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Meaning of $? (dollar question mark) in shell scripts
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This is the exit status of the last executed command.
For example the command true always returns a status of 0 and false always returns a status of 1:
true
echo $? # echoes 0
false
echo $? # echoes 1
From the manual: (acessible by calling man bash in your shell)
$? ...
Cloning a MySQL database on the same MySql instance
...ious good other answers
Both mysqldump and mysql commands accept options for setting connection details (and much more), like:
mysqldump -u <user name> --password=<pwd> <original db> | mysql -u <user name> -p <new db>
Also, if the new database is not existing yet, y...
Execute the setInterval function without delay the first time
...learInterval which means you have to remember the handle returned from the original setInterval call.
So an alternative method is to have foo trigger itself for subsequent calls using setTimeout instead:
function foo() {
// do stuff
// ...
// and schedule a repeat
setTimeout(foo, dela...