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How do I escape a single quote?
...ML document that was using single-quotes arround attributes values ; so I didn't think this was actually valid ;; I just (once again) learnt something while answering a question ; so, thanks for those comments !
– Pascal MARTIN
Mar 11 '10 at 21:08
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How do you join on the same table, twice, in mysql?
I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url).
3 Answers
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Multiple select statements in Single query
...ve tables. An alternate method may be as follows:
SELECT COUNT(user_table.id) AS TableCount,'user_table' AS TableSource FROM user_table
UNION SELECT COUNT(cat_table.id) AS TableCount,'cat_table' AS TableSource FROM cat_table
UNION SELECT COUNT(course_table.id) AS TableCount, 'course_table' AS Table...
HTML/Javascript change div content
..., you can just use the element's innerHTML property.
document.getElementById("content").innerHTML = "whatever";
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How to avoid having class data shared among instances?
... def __init__(self):
self.list = []
Declaring the variables inside the class declaration makes them "class" members and not instance members. Declaring them inside the __init__ method makes sure that a new instance of the members is created alongside every new instance of the object, whi...
Preview layout with merge root tag in Intellij IDEA/Android Studio
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There is a new parentTag tools attribute (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.android.c...
Draw on HTML5 Canvas using a mouse
...y = 2;
function init() {
canvas = document.getElementById('can');
ctx = canvas.getContext("2d");
w = canvas.width;
h = canvas.height;
canvas.addEventListener("mousemove", function (e) {
findxy('move', e)
}, false);
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Deleting a Google App Engine application
...ine SDK 1.2.6 it's possible to delete apps completely. But beware, the app-id won't be usable again.
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Javascript/jQuery: Set Values (Selection) in a multiple Select
...lue='" + e + "']").prop("selected", true);
});
Working Example http://jsfiddle.net/McddQ/1/
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How to call multiple JavaScript functions in onclick event?
...e functions from someFunc()
function someFunc() {
showAlert();
validate();
anotherFunction();
YetAnotherFunction();
}
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