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List of standard lengths for database fields
...ize for names in your
database. In particular, do not assume that a four-character
Japanese name in UTF-8 will fit in four bytes – you are likely to
actually need 12.
https://www.w3.org/International/questions/qa-personal-names
For database fields, VARCHAR(255) is a safe default choic...
Optimize Font Awesome for only used classes
...e; done
You then use this with FontSquirrel in the expert mode where you select custom subsetting: http://www.fontsquirrel.com/tools/webfont-generator
In Unicode ranges enter the comma separated values from above.
Then to remove unnecessary stuff from the CSS:
egrep "@fa-var-($fa_icons);" less/...
MySQL Removing Some Foreign keys
...
You can use this to find foreign key constraints: SELECT * FROM information_schema.table_constraints WHERE constraint_schema = '<your db name>' AND constraint_type = 'FOREIGN KEY'
– Gayan Dasanayake
Aug 26 '17 at 2:48
...
Setting JDK in Eclipse
...roperties the "JRE System Library" was still there. When I deleted it and selected "Use default Workspace JRE" only then did it pick up my change. I would have thought Eclipse should have updated my projects JRE when I selected a different JRE for my workspace
– MayoMan
...
Drawing a connecting line between two elements [closed]
...
line1 = $('#line1');
div1 = $('#div1');
div2 = $('#div2');
I used selectors to select the two divs and line...
var pos1 = div1.position();
var pos2 = div2.position();
jQuery position() method allows us to obtain the current position of an element. For more information, visit https://api....
Does a method's signature in Java include its return type?
...ple:
public class Foo {
public int myMethod(int param) {}
public char myMethod(int param) {}
}
No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line:
public char myMethod(int param) {}
will give you can error: method is al...
How can prepared statements protect from SQL injection attacks?
...ample shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users where id=$expected_data";
will produce a regular query
SELECT * FROM users where id=1
while this code
$spoiled_data = "1; DROP TABLE users;"
$query = "SELECT * FROM users where id=$spoiled_da...
Mercurial (hg) commit only certain files
...ke this:
$ hg commit -I foo.c -I "**/*.h"
You can even use a fileset to select the files you want to commit:
$ hg commit "set:size(1k - 1MB) and not binary()"
There is no setting that will turn off the auto-add behavior and make Mercurial work like Git does. However, the mq extension might be ...
How do I focus on one spec in jasmine.js?
...t really like the idea of editing my tests (fit and fdescribe) to run them selectively. I prefer to use a test runner like karma which can filter out tests using a regular expression.
Here's an example using grunt.
$ grunt karma:dev watch --grep=mypattern
If you're using gulp (which is my favour...
With arrays, why is it the case that a[5] == 5[a]?
...D"[2] == *("ABCD" + 2) = *("CD") = 'C'. Dereferencing a string gives you a char, not a substring
– MSalters
Sep 21 '09 at 10:34
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