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Formatting a number with leading zeros in PHP [duplicate]
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Use sprintf :
sprintf('%08d', 1234567);
Alternatively you can also use str_pad:
str_pad($value, 8, '0', STR_PAD_LEFT);
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How to Calculate Execution Time of a Code Snippet in C++
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/* Windows */
FILETIME ft;
LARGE_INTEGER li;
/* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it
* to a LARGE_INTEGER structure. */
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
uint64 ret ...
JSON parsing using Gson for Java
... jarray = jobject.getAsJsonArray("translations");
jobject = jarray.get(0).getAsJsonObject();
String result = jobject.get("translatedText").getAsString();
return result;
}
To make the use more generic - you will find that Gson's javadocs are pretty clear and helpful.
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How to convert int[] to Integer[] in Java?
...[] can be converted to Integer[] easily:
int[] data = {1,2,3,4,5,6,7,8,9,10};
// To boxed array
Integer[] what = Arrays.stream( data ).boxed().toArray( Integer[]::new );
Integer[] ever = IntStream.of( data ).boxed().toArray( Integer[]::new );
// To boxed list
List<Integer> you = Arrays.str...
Draw multi-line text to Canvas
...ext on the next line. So something like this:
canvas.drawText("This is", 100, 100, mTextPaint);
canvas.drawText("multi-line", 100, 150, mTextPaint);
canvas.drawText("text", 100, 200, mTextPaint);
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TypeError: not all arguments converted during string formatting python
...-style {} formatting uses {} codes and the .format method
'It will cost ${0} dollars.'.format(95)
Note that with old-style formatting, you have to specify multiple arguments using a tuple:
'%d days and %d nights' % (40, 40)
In your case, since you're using {} format specifiers, use .format:
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How to make Twitter Bootstrap menu dropdown on hover rather than click
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I created a pure on hover dropdown menu based on the latest (v2.0.2) Bootstrap framework that has support for multiple submenus and thought I'd post it for future users:
body {
padding-top: 60px;
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px 0;
}
.dropdown-menu...
The performance impact of using instanceof in Java
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edited Sep 8 at 8:03
Gurwinder Singh
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What exactly does big Ө notation represent?
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edited Aug 20 '17 at 2:43
Pierre-Antoine Guillaume
54077 silver badges1919 bronze badges
a...