大约有 30,000 项符合查询结果（耗时：0.1585秒） [XML]
Syntax highlighting/colorizing cat
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I called my alias nyancat.
– zneak
Aug 20 '15 at 15:39
2
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How to properly overload the
...rix) {
[...]
}
};
}
The function will be automatically targeted into the surrounding namespace Math (even though its definition appears within the scope of that class) but will not be visible unless you call operator<< with a Matrix object which will make argument dep...
MenuItemCompat.getActionView always returns null
...ry but the MenuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....)
11 Answe...
Add legend to ggplot2 line plot
...ld be any set of strings. It is very important that this is inside the aes call; you are creating a mapping to this "variable".
scale_colour_manual can now map these strings to the appropriate colors. The result is
In some cases, the mapping between the levels and colors needs to be made explici...
JOIN queries vs multiple queries
...ins, multiple queries is much better... look at the following benchmark I did:
Single query with 5 Joins
query: 8.074508 seconds
result size: 2268000
5 queries in a row
combined query time: 0.00262 seconds
result size: 165 (6 + 50 + 7 + 12 + 90)
.
Note that we get the same results in both ...
How do I make an HTML text box show a hint when empty?
...wser that does not support input placeholders, you can use a jQuery plugin called jQuery HTML5 Placeholder, and then just add the following JavaScript code to enable it.
$('input[placeholder], textarea[placeholder]').placeholder();
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Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...mething like this (no ScrollView needed anymore):
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/my_top_layout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"/>
Then in onCreateView() (I'll use an example with a fragment) ...
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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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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jQuery set radio button
I am trying to set a radio button. I want set it by using the value or the id.
12 Answers
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