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How to show “Done” button on iPhone number pad
...on is centered in the accessory view. You can position it at left or right by deleting the space on the pertinent side.
I have omitted a "Cancel" button because the default keyboard doesn't have one either. If you do want a "Cancel" button, I suggest that you instantiate it as a UIBarButtonSystemIt...
Do you use NULL or 0 (zero) for pointers in C++?
...ted to use a NULL pointer, irrespective of whether it is being interpreted by the compiler as NULL or not.
Overload of pointer and 'int' is relatively rare
The example that everybody quotes is:
void foo(int*);
void foo (int);
void bar() {
foo (NULL); // Calls 'foo(int)'
}
However, at leas...
Can two applications listen to the same port?
... socket, if the programs are designed to do so. When the socket is created by the first program, make sure the SO_REUSEADDR option is set on the socket before you bind(). However, this may not be what you want. What this does is an incoming TCP connection will be directed to one of the programs, not...
git working on two branches simultaneously
... imageUploader: {
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How can I detect if a browser is blocking a popup?
...wered Feb 26 '16 at 22:49
UncaAlbyUncaAlby
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Using boolean values in C
...ady == TRUE) ...
while (empty == FALSE) ...
These can always be replaced by the clearer
if (ready) ...
while (!empty) ...
Note that these can actually reasonably and understandably be read out loud.
Give your boolean variables positive names, ie full instead of notfull. The latter leads to c...
Including JavaScript class definition from another file in Node.js
... imageUploader: {
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What is the MySQL VARCHAR max size?
...nal representation of a MySQL table has a maximum row size limit of 65,535 bytes, not counting BLOB and TEXT types. BLOB and TEXT columns only contribute 9 to 12 bytes toward the row size limit because their contents are stored separately from the rest of the row. Read more about Limits on Table Col...
How to check if an element is in an array
...urns the index number, but is there a method that returns a boolean like ruby's #include? ?
16 Answers
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Is there a download function in jsFiddle?
...f you just type the extra /show at the address bar and hit enter (followed by the browser show source code shortcut) to get the source.
– heltonbiker
Sep 30 '12 at 18:32
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