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Way to get number of digits in an int?
...OK, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical representation of a number in a specific base, i.e. a String.
A logarithm-based solution does (some of) the sam...
What are enums and why are they useful?
... of foobangs of type
*/
public int countFoobangs(FB_TYPE type)
A method call like:
int sweetFoobangCount = countFoobangs(3);
then becomes:
int sweetFoobangCount = countFoobangs(FB_TYPE.SWEET);
In the second example, it's immediately clear which types are allowed, docs and implementation c...
Detecting design mode from a Control's constructor
...sses field, but (i think) static classes fields initialized when you first called them, so not a safe solution..
– Ibrahim Ozdemir
Feb 19 '17 at 15:25
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How to check if a variable is not null?
...There is another possible scenario I have just come across.
I did an ajax call and got data back as null, in a string format. I had to check it like this:
if(value != 'null'){}
So, null was a string which read "null" rather than really being null.
EDIT: It should be understood that I'm not sell...
How do I trim leading/trailing whitespace in a standard way?
...bstring of the original string.
// If the given string was allocated dynamically, the caller must not overwrite
// that pointer with the returned value, since the original pointer must be
// deallocated using the same allocator with which it was allocated. The return
// value must NOT be deallocate...
Scala Doubles, and Precision
...
I suppose there are people for whom a long call to a clunky library is more comprehensible than simple mathematics. I'd recommend "%.2f".format(x).toDouble in that case. Only 2x slower, and you only have to use a library that you already know.
–...
Java / Android - How to print out a full stack trace?
...pend(element.toString());
}
}
return sb.toString();
}
// call this at your check point
Log.d(TAG, buildStackTraceString(Thread.currentThread().getStackTrace()));
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jQuery UI “ $(”#datepicker“).datepicker is not a function”
...exists on the page?
Most likely there is an error prior to the datepicker call that is preventing the datepicker call from executing.
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Execute JavaScript code stored as a string
...
@divinci This is called "Cross Site Scripting". See here: en.wikipedia.org/wiki/Cross-site_scripting.
– Brendon Shaw
Nov 18 '18 at 21:10
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Ignoring time zones altogether in Rails and PostgreSQL
...mestamp
A value typed as timestamp tells Postgres that no time zone is provided explicitly. The current time zone is assumed. Postgres ignores any time zone modifier added to the input literal by mistake!
No hours are shifted for display. With the same time zone setting all is fine. For a different...