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PHP array: count or sizeof?
...d therefore will cause less developers reading your code to say "sizeof(), what is that?" and having to consult the documentation.
I think it means sizeof() does not work like it does in C (calculating the size of a datatype). It probably made this mention explicitly because PHP is written in C, an...
Display the current time and date in an Android application
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Please - be more explicit! What's the error? Did you import the wrong DateFormat class? It's java.text.DateFormat and NOT android.text.format.DateFormat! And it's java.util.Date and NOT java.sql.Date! Just a little hint on asking questions: try to be ...
What is LDAP used for?
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I will focus on why using LDAP, not what is LDAP.
The use model is similar like how people use library cards or phonebooks. When you have a task that requires “write/update once, read/query many times”, you might consider using LDAP. LDAP is designed to pr...
What does (x ^ 0x1) != 0 mean?
... illustrate the 0 == ( x ^ 0x1 ) expression on binary level:
what? xxxxxxxx (8 bits)
xor 00000001 (hex 0x1 or 0x01, decimal 1)
gives 00000000
---------------------------
the only answer is 00000001
so:
0 == ( x ^ 0x1 ) => x == 1
0 != ( ...
What does `void 0` mean? [duplicate]
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What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It...
How to set a value to a file input in HTML?
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What about drag n drop function, no way to set that file to input field?
– Vedmant
Aug 19 '17 at 7:46
1
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Changing Vim indentation behavior by file type
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What's the advantage of this over by FileType?
– Casey Chow
Dec 17 '11 at 0:44
3
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What exactly do “u” and “r” string flags do, and what are raw string literals?
...r'''...''', r"...", r"""...""" are all byte strings, and so on).
Not sure what you mean by "going back" - there is no intrinsically back and forward directions, because there's no raw string type, it's just an alternative syntax to express perfectly normal string objects, byte or unicode as they ma...
A proper wrapper for console.log with correct line number?
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I believe what @A.B.Carroll meant is everything inside the instance can't be used in runtime. for another instance, the global state can only be defined in instantiation, so if you later change this.isDebug to false, it won't matter. I...
What is Vim recording and how can it be disabled?
I keep seeing the recording message at the bottom of my gVim 7.2 window.
6 Answers
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