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Oracle SQL escape character (for a '&')
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the & is the default value for DEFINE, which allows you to use substitution variables. I like to turn it off using
SET DEFINE OFF
then you won't have to worry about escaping or CHR(38).
sha...
How to check if a list is empty in Python? [duplicate]
...l performance pessimisation: do not spend time counting elements of potentially long collections, if all you need to know is if they are empty.
– Ad N
Aug 12 '15 at 12:38
1
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How can I count the number of children?
....length;
The find() method traverses DOM downwards along descendants, all the way down to the last descendant.
Note: children() method traverses a single level down the DOM tree.
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impr...
gitx How do I get my 'Detached HEAD' commits back into master [duplicate]
Using Git X and must have fumbled royally on something. Looks like a few days ago I created a branch called detached HEAD and have been committing to it. My normal process is to commit to master and then push that to origin . But I can't push detached HEAD .
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How can I stop float left?
...ve fixes worked for me (I had the same problem), but this did:
Try putting all of the floated elements in a div element:
<div class="row">...</div>.
Then add this CCS:
.row::after {content: ""; clear: both; display: table;}
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Complex numbers usage in python [closed]
...suffix comes from electrical engineering, where the variable ‘i’ is usually used for current. (Reasoning found here.)
The type of a complex number is complex, and you can use the type as a constructor if you prefer:
>>> complex(2,3)
(2+3j)
A complex number has some built-in accesso...
Get element type with jQuery
...ed by the prev(), which is specific for the example code in question. Basically, $(this).is("input");
– Fanky
Jan 9 '17 at 10:04
1
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“Cannot send session cache limiter - headers already sent” [duplicate]
... modifications to them now.
Check that you don't send ANY content before calling session_start. Better yet, just make session_start the first thing you do in your PHP file (so put it at the absolute beginning, before all HTML etc).
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How to convert integer to string in C? [duplicate]
...printf():
int someInt = 368;
char str[12];
sprintf(str, "%d", someInt);
All numbers that are representable by int will fit in a 12-char-array without overflow, unless your compiler is somehow using more than 32-bits for int. When using numbers with greater bitsize, e.g. long with most 64-bit comp...
Disable form auto submit on button click
... type to button.
But if you bind your event handler like below, you target all buttons and do not have to do it manually for each button!
$('form button').on("click",function(e){
e.preventDefault();
});
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