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Why can't I initialize non-const static member or static array in class?
...reason a is allowed to be initialized while others are not.
Reference:
C++03 9.4.2 Static data members
§4
If a static data member is of const integral or const enumeration type, its declaration in the class definition can specify a constant-initializer which shall be an integral constant expre...
Why is parenthesis in print voluntary in Python 2.7?
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107
In Python 2.x print is actually a special statement and not a function*.
This is also why it c...
What do the python file extensions, .pyc .pyd .pyo stand for?
....pyc’ or ‘.pyo’ file directly on the command line.
Note:
On 2015-09-15 the Python 3.5 release implemented PEP-488 and eliminated .pyo files.
This means that .pyc files represent both unoptimized and optimized bytecode.
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How to change the style of the title attribute inside an anchor tag?
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How do I check if an index exists on a table field in MySQL?
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Insert a string at a specific index
....splice = function(start, delCount, newSubStr) {
return this.slice(0, start) + newSubStr + this.slice(start + Math.abs(delCount));
};
}
Example
String.prototype.splice = function(idx, rem, str) {
return this.slice(0, idx) + str + this.slice(idx + Math.abs(rem));
};
var re...
What is a “symbol” in Julia?
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answered May 5 '14 at 21:30
StefanKarpinskiStefanKarpinski
25.7k88 gold badges6767 silver badges9292 bronze badges
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Notification click: activity already open
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301
You need to set the launchMode attribute of the Activity you are starting to singleTop. This w...
Internet Explorer 11 detection
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Edit 18 Nov 2016
This code also work (for those who prefer another solution , without using ActiveX)
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
// true on IE11
// false on Edge and other IEs/brows...