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Persistence unit as RESOURCE_LOCAL or JTA?
...URCE_LOCAL is fine. This would use basic JDBC-level transactions. The downside is that the transaction is local to the JPA persistence unit, so if you want a transaction that spans multiple persistence units (or other databases), then RESOURCE_LOCAL may not be good enough.
JTA is also used for mana...
Git: Create a branch from unstaged/uncommitted changes on master
...:
M testing
, which means that your working files are not clean. git did change the HEAD, but did not overwrite your local files. That is why your last status still show your local changes, although you are on master.
If you really want to discard the local changes, you have to force the check...
How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...chas
MySQL
Starting with MySQL 5.7, 0000-00-00 00:00:00 is no longer considered a valid date. As documented at the Laravel 5.2 upgrade guide, all timestamp columns should receive a valid default value when you insert records into your database. You may use the useCurrent() column modifier (from La...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...ging app.
Not sure what it is referring to when it says "MissingRequiredValidatorError"
I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params
...
Difference between await and ContinueWith
...d. Otherwise, you continue processing more items from LoadNextItem.
First idea for the asynchronous version: just use continuations! And let's ignore the looping part for the time being. I mean, what could possibly go wrong?
return LoadNextItem().ContinueWith(t => {
string result = t.Result...
How can I do string interpolation in JavaScript?
Consider this code:
19 Answers
19
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What's the difference between globals(), locals(), and vars()?
...locals and vars could use some more explanation. If locals() is called inside a function, it updates a dict with the values of the current local variable namespace (plus any closure variables) as of that moment and returns it. Multiple calls to locals() in the same stack frame return the same dict ...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...for left recursion. A better example might be dispatch:
expr ::= expr '.' ID '(' actuals ')' ;
actuals ::= actuals ',' expr | expr ;
Notice that both the expr and the actuals rules are left-recursive. This produces a much more efficient AST when it comes time for code generation because it avoid...
how to use “AND”, “OR” for RewriteCond on Apache?
...lated]. Can you help me find my interpretation error? [Also to be more explidt, what about the reverse: if one wants to implement ((A OR B) AND (C OR D)), what exactly should one code in the .htaccess file?]
– Chuck Kollars
Jul 23 '15 at 19:23
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PHP: merge two arrays while keeping keys instead of reindexing?
... int 86 3 => int 7 Basically adding [2 => 56] + [2 => 30] did not replace the value but added it and became [2 => 86]
– Dario Fumagalli
Nov 30 '16 at 1:20
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