大约有 47,000 项符合查询结果(耗时:0.0807秒) [XML]
How do I check if a SQL Server text column is empty?
...short-circuit evaluation techniques, so order here doesn't effect the outcome.
– Conrad
Aug 3 '17 at 18:01
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Padding or margin value in pixels as integer using jQuery
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You should be able to use CSS (http://docs.jquery.com/CSS/css#name). You may have to be more specific such as "padding-left" or "margin-top".
Example:
CSS
a, a:link, a:hover, a:visited, a:active {color:black;margin-top:10px;text-decoration: none;}
JS
$("a").css("margin-top");
The ...
How to query MongoDB with “like”?
I want to query something with SQL's like query:
39 Answers
39
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Get root view from current activity
...am also able to get the view from a button's onClick event where the argument is a View . But how can I get the view in an activity ?
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How to select rows that have current day's timestamp?
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use DATE and CURDATE()
SELECT * FROM `table` WHERE DATE(`timestamp`) = CURDATE()
I guess using DATE still uses INDEX.
see the execution plan on the DEMO
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Deprecated Java HttpClient - How hard can it be?
All I'm trying to do is download some JSON and deserialize it into an object. I haven't got as far as downloading the JSON yet.
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How do you add CSS with Javascript?
...so do this using DOM Level 2 CSS interfaces (MDN):
var sheet = window.document.styleSheets[0];
sheet.insertRule('strong { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
...). I want to upgrade this instance to large. This is our production environment, so what is the best and risk-free way to do this?
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Dark color scheme for Eclipse [closed]
Is Eclipse at all theme-able? I would like to install a dark color scheme for it, since I much prefer white text on dark background than the other way around.
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