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Java “Virtual Machine” vs. Python “Interpreter” parlance?
...read of a Python "virtual machine" while in Java "virtual machine" is used all the time.
13 Answers
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$apply vs $digest in directive testing
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scope.$digest() will fire watchers on the current scope, and on all of its children, too. scope.$apply will evaluate passed function and run $rootScope.$digest().
The first one is faster, as it needs to evaluate watchers for current scope and its children. The second one is slower, as it...
Breaking out of a nested loop
...using goto is any worse than the normal use of something like break (after all they're both just unconditional branches to a label, it's just that with break the label is implicit).
– Greg Beech
Nov 28 '08 at 0:07
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How to add a primary key to a MySQL table?
... Column
If you want to add a primary key constraint to an existing column all of the previously listed syntax will fail.
To add a primary key constraint to an existing column use the form:
ALTER TABLE `goods`
MODIFY COLUMN `id` INT(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;
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How do I quickly rename a MySQL database (change schema name)?
...es. You might want to do a mysqldump to move the views, after first moving all the tables. Also note that SHOW TABLES will show tables AND views, so beware.
– tuomassalo
Nov 1 '13 at 12:38
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Sequence-zip function for c++11?
...ike the c++ stdlib.
template <typename Iterator>
void advance_all (Iterator & iterator) {
++iterator;
}
template <typename Iterator, typename ... Iterators>
void advance_all (Iterator & iterator, Iterators& ... iterators) {
++iterator;
a...
Understanding REST: Verbs, error codes, and authentication
... complete with their member URIs for further navigation. For example, list all the cars for sale.
PUT: Meaning defined as "replace the entire collection with another collection".
POST: Create a new entry in the collection where the ID is assigned automatically by the collection. The ID created is us...
how to exclude null values in array_agg like in string_agg using postgres?
...NC = fn_array_agg_notnull,
STYPE = ANYARRAY,
INITCOND = '{}'
);
Calling the second is (naturally) a little nicer looking than the first:
select array_agg_notnull(v) from x;
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im...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
When there's a collison during git merge , I open a mergetool called Meld . It opens three files LOCAL, BASE and REMOTE. As I've read LOCAL is my local branch, BASE is common ancestor and REMOTE is the branch to be merged.
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Add directives from directive in AngularJS
...(a high number):
When the DOM is ready, angular walks the DOM to identify all registered directives and compile the directives one by one based on priority if these directives are on the same element. We set our custom directive's priority to a high number to ensure that it will be compiled first a...