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How to change href of tag on button click through javascript
... f1();">jhhghj</a>
....or, the unobtrusive way:
<a href="#" id="abc">jhg</a>
<a href="#" id="myLink">jhhghj</a>
<script type="text/javascript">
document.getElementById("myLink").onclick = function() {
document.getElementById("abc").href="xyz.php";
...
Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
...
We can give a default value for the timestamp to avoid this problem.
This post gives a detailed workaround:
http://gusiev.com/2009/04/update-and-create-timestamps-with-mysql/
create table test_table(
id integer not null auto_increment primary key,
stamp_created timestamp ...
How to send a message to a particular client with socket.io
...er. So if user connects from another browser - old connection will be overriden.
– Vladimir Kurijov
Dec 5 '13 at 6:03
...
How to remove array element in mongodb?
...
Try the following query:
collection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value i...
Polymorphism vs Overriding vs Overloading
...logical labels of "male" or "female" become rather ill-defined; the social meanings are even more complex. As a teaching example, it shows how modeling assumptions can have negative results, such as the implication that someone (e.g., a student of OO programming) who is incontinent or intersex is no...
What's the difference between an exclusive lock and a shared lock?
...e to pick out a "re-entrant" read-write lock specifically, but re-entrancy means that the owner of a re-entrant lock can 'lock()' it again and all subsequent lock() calls after the first one will return immediately and successfully. i.e. you can successfully lock something you already own.
...
What is the difference between encode/decode?
...g to do with character sets, and thus can be applied to 8-bit strings in a meaningful way:
>>> s.encode('zip')
'x\x9c;\xbc\r\x00\x02>\x01z'
You are right, though: the ambiguous usage of "encoding" for both these applications is... awkard. Again, with separate byte and string types in ...
Difference between size_t and std::size_t
...
@Potatoswatter: Ah, I see what you mean now! I must have gotten confused by too many "allow"s in one sentence. I still think your first comment is too strong though; as you just said, ::size_t is present e.g in <stddef.h>, so you don't always need to qua...
Javascript : Send JSON Object with Ajax?
... json_decode(file_get_contents('php://input'));
– David
Oct 22 '17 at 8:28
Dear friends can you share this POST ajax w...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...r for size_t and ptrdiff_t arguments, Visual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__
#define JL_SIZE_T_SPECIFIER "%Iu"
...