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PHP Fatal error: Using $this when not in object context
...it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a class constant. Both, self::foo and self::$foo woul...
Java Serializable Object to Byte Array
... answered May 15 '18 at 7:06
gzg_55gzg_55
4122 bronze badges
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How can I check if a var is a string in JavaScript?
...
You were close:
if (typeof a_string === 'string') {
// this is a string
}
On a related note: the above check won't work if a string is created with new String('hello') as the type will be Object instead. There are complicated solutions to work a...
Use CSS3 transitions with gradient backgrounds
...ion on using transitions with gradients now? I can't seem to figure it out based on your answer (and can find no other news about it). The last I heard, you can't transition between two background images, which is what gradients were.
– Mackenzie McClane
Apr 27...
Rails formatting date
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Remove all special characters, punctuation and spaces from string
... place" -> "greatplace". How to avoid it?
– Reihan_amn
Jul 19 '17 at 19:19
6
@Reihan_amn Simpl...
Get Enum from Description attribute [duplicate]
...ags.Static))". Otherwise in the else below, the name of the field is 'value__' instead of the real name.
– Dennis
Mar 15 '19 at 8:28
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In an array of objects, fastest way to find the index of an object whose attributes match a search
...y your criteria. For example: function hashf(el) { return String(el.id) + "_" + String(el.name); }. This is just a hint: elementPos = array.map(hashf(x)).indexOf(hash({id:3, name:'Pablo'})); Obviously, the hash function I provide is not valid for all cases since '_' could form part of your values bu...
How to check Oracle database for long running queries
...SQL that is currently "ACTIVE":-
select S.USERNAME, s.sid, s.osuser, t.sql_id, sql_text
from v$sqltext_with_newlines t,V$SESSION s
where t.address =s.sql_address
and t.hash_value = s.sql_hash_value
and s.status = 'ACTIVE'
and s.username <> 'SYSTEM'
order by s.sid,t.piece
/
This shows locks....
How to find out how many lines of code there are in an Xcode project?
...loc-1.56.pl' command. If your source code is located in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
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