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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
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Yeah, but I can just see some beginner coming here, reading this, and going away thinking that you can convert any character from upper case to lower case by multiplying it by 1.5.
– Dawood ibn Kareem
May 28 '14 at 9:25
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get current url in twig template?
...e'),
app.request.attributes.get('_route_params')) }}
If you want to read it into a view variable:
{% set currentPath = path(app.request.attributes.get('_route'),
app.request.attributes.get('_route_params')) %}
The app global view variable contains all sorts of useful...
Flask SQLAlchemy query, specify column names
... Your first statement is wrong. You need parentheses. So, it should read: session.query().with_entities(SomeModel.col1)
– JGFMK
Feb 9 '18 at 12:26
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How can I handle the warning of file_get_contents() function in PHP?
...catch from @enobrev above, but this allows for less lengthy (and IMO, more readable) code. We simply use error_get_last to get the text of the last error, and file_get_contents returns false on failure, so a simple "if" can catch that.
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Are there strongly-typed collections in Objective-C?
... generics and types returned in methods I asked my question in different thread, to keep everything clear: stackoverflow.com/questions/30828076/…
– lvp
Jun 14 '15 at 10:02
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Passing an array to a query using a WHERE clause
...LECT password FROM users;/*'). If you don't sanitize that, the query would read SELECT * FROM galleries WHERE id IN (1); SELECT password FROM users;/*). Change the table & column names to something you have in your database and try that query, check out the results. You'll find a list of passwor...
Java: Clear the console
...ard output gets redirected to a pipe which the initiating Java process can read. But when the output of the cls command gets redirected, it doesn’t clear the console.
To solve this problem, we have to invoke the command line interpreter (cmd) and tell it to execute a command (/c cls) which allow...
What does a lazy val do?
... when it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y { lazy val y = { Thread.sleep(2000); 13 } }
defined class Y
scala> new X
res5: X = X@262505b7 // we have to wait two seconds to the result
scala> new Y
res6:...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
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@vlasits read the included SO post for details. (1) all text types, including tinytext are stored as objects outside the row which is one overhead (2) These objects are then referenced by addresses 8 or 16 bytes. so no matter how tiny...
How do you debug MySQL stored procedures?
...essage Text' AS `Title`;
I got this idea from
http://forums.mysql.com/read.php?99,78155,78225#msg-78225
Also somebody created a template for custom debug procedures on GitHub.
See here
http://www.bluegecko.net/mysql/debugging-stored-procedures/
https://github.com/CaptTofu/Stored-procedure-de...