大约有 14,000 项符合查询结果（耗时：0.0408秒） [XML]
Altering a column: null to not null
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Just wanted to chime in and say that it's a good idea to explicitly name your constraints, defaults included. If you ever need to drop a column you'll have to know the name of the constraint to drop before you'll be able to. Ran into this in our DB migrations a few times. I...
How can I detect if a selector returns null?
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My preference, and I have no idea why this isn't already in jQuery:
$.fn.orElse = function(elseFunction) {
if (!this.length) {
elseFunction();
}
};
Used like this:
$('#notAnElement').each(function () {
alert("Wrong, it is an element")
}).or...
Qt: can't find -lGL error
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Yep, this works. It's usually a good idea to run ldconfig after dealing with shared libraries like in this case.
– José Tomás Tocino
May 11 '16 at 19:42
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
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Worked for me too thanks, was not having idea in terms DMG installation.
– Rameshwar Vyevhare
Feb 26 '16 at 5:39
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How do I replace text inside a div element?
...ML = "<script>doSomethingMalicious()</script>";won't be a good idea. element.innerHTML = "& neither will this";
– Joseph Nields
Sep 15 '16 at 22:21
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Loop through a date range with JavaScript
...ys. Like 1.12, 2.12, 3.12, 5.12... (notice that 4.12 is skipped) i have no idea why it happens... Anyone got this problem and found a solution?
– Erik Kubica
Jul 23 '17 at 19:54
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Bad class file magic or version
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I was using IntelliJ IDEA so in my case I had to put the correct Java SDK when I added the Android SDK... (you cannot just select Java 1.x in an Android Module otherwise it won't see Android classes)
– Marco Acierno
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How can I reload .emacs after changing it?
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Interesting. I hadn't considered the idea of a .emacs file that wasn't idempotent. Something to watch out for as I start with ELisp
– Erik
Apr 11 '12 at 20:39
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removeEventListener on anonymous functions in JavaScript
... but as with many examples, I wished to show a contextual expansion of the idea), here's a less complicated exposit
Specifying a custom DateTime format when serializing with Json.Net
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Works for me. Any idea how I can remove the time? So only return 2020-02-12 for example with the T00:00:00
– Enrico
Mar 24 at 10:13
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