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PHP - concatenate or directly insert variables in string
...re are performance implications, those won't matter 1.
As a sidenote, so my answer is a bit more complete: the day you'll want to do something like this:
echo "Welcome $names!";
PHP will interpret your code as if you were trying to use the $names variable -- which doesn't exist.
- note that it ...
MYSQL import data from csv using LOAD DATA INFILE
I am importing some data of 20000 rows from a CSV file into Mysql.
11 Answers
11
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Add a reference column migration in Rails 4
... Active Record only supports single column foreign keys and currently only mysql, mysql2 and PostgreSQL adapters are supported. Don't try this with other adapters like sqlite3, etc. Refer to Rails Guides: Foreign Keys for your reference.
...
Overriding fields or properties in subclasses
...ic behavior. You should remember though, that when at runtime the property MyInt is accessed, the derived class has no control on the value returned. The base class by itself is capable of returning this value.
This is how a truly polymorphic implementation of your property might look, allowing the...
How do you display a Toast from a background thread on Android?
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I'm not sure I understand how to do this. I have my existing public void run(). I tried putting this code there. I know that's not right because it didn't work, but I am really stuck.
– SwimBikeRun
Mar 4 '12 at 6:04
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JS: iterating over result of getElementsByClassName using Array.forEach
...r NodeList) as the this value:
var els = document.getElementsByClassName("myclass");
Array.prototype.forEach.call(els, function(el) {
// Do stuff here
console.log(el.tagName);
});
// Or
[].forEach.call(els, function (el) {...});
If you're in the happy position of being able to use ES6 (...
Programmatically get height of navigation bar
...e if the NavigationController, aka, the MoreViewController, is showing for my tab bar app.
– user420479
Sep 5 '11 at 21:10
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Pass a JavaScript function as parameter
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@Steve Fenton: after reading your reply I asked myself why did I ask... :-)
– Veverke
Nov 25 '14 at 15:52
1
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How do I know the script file name in a Bash script?
...gt; ${0} "
echo "# parent path --------------> ${0%/*} "
echo "# my name ------------------> ${0##*/} "
echo
exit
# ------------- CALLED ------------- #
# Notice on the next line, the first argument is called within double,
# and single quotes, since it contains two words
$ /misc/...
Change auto increment starting number?
In MySQL, I have a table, and I want to set the auto_increment value to 5 instead of 1 . Is this possible and what query statement does this?
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