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Are nullable types reference types?
...miller2002
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Testing if jQueryUI has loaded
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245
if (jQuery.ui) {
// UI loaded
}
OR
if (typeof jQuery.ui != 'undefined') {
// UI loaded
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Go: panic: runtime error: invalid memory address or nil pointer dereference
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4 Answers
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How to use mysql JOIN without ON condition?
...th three rows ('a', 'b', and 'c') and a table with four rows (say 1, 2, 3, 4) would have 12 rows.
In practice, if you want to do a cross join, then use cross join:
from A cross join B
is much better than:
from A, B
and:
from A join B -- with no on clause
The on clause is required for a rig...
Access string.xml Resource File from Java Android Code
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149
Well you can get String using,
getString(R.string.app_name);
And, you can get string-array u...
Is it safe to delete an object property while iterating over them?
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The ECMAScript 5.1 standard section 12.6.4 (on for-in loops) says:
Properties of the object being enumerated may be deleted during enumeration. If a property
that has not yet been visited during enumeration is deleted, then it will not be visited. If new prop...
What is this: [Ljava.lang.Object;?
...out.println(new int[0][0][7]); // [[[I@xxxxx
System.out.println(new String[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns String in this format is because arrays do not @Override the method inherited fr...
Django queries - id vs pk
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answered Jan 29 '10 at 23:14
Felix KlingFelix Kling
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Difference between doseq and for in Clojure
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answered Jan 18 '11 at 14:53
RayneRayne
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