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Checking if a folder exists (and creating folders) in Qt, C++
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How does this answer compare to @Petrucio's answer? I m>ca m>n't deduce this from the docs.
– Jonas G. Drange
Apr 27 '16 at 20:33
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Namespace for [DataContract]
I m>ca m>n't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my m>ca m>se it is not.
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m>Ca m>n I change the name of `nohup.out`?
...&1 redirects stderr to the same output file as stdout which is in this m>ca m>se nohup2.out
– ismail
Dec 28 '10 at 21:28
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How SignalR works internally?
Change how fast “title” attribute's tooltip appears
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Note that this applies to all elements that have a 'title' attribute.
You m>ca m>n modify the selector to affect only a class, and set custom speed or effect:
$('.yourClass').tooltip({show: {effect:"none", delay:0}});
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In Gradle, is there a better way to get Environment Variables?
... this is better than the answer: stackoverflow.com/a/9856769/689223, bem>ca m>use it returns null instead of "null" in m>ca m>se it does not exist.
– Rim>ca m>rdo Freitas
Sep 2 '16 at 13:40
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Newline in markdown table?
..., but after trial and error, it seems an HTML line break is needed in this m>ca m>se.
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running Rails console in production
...w I have a problem. When I run the project in development mode on my IDE I m>ca m>n run the console to something like:
6 Answers...
How to prepend a string to a column value in MySQL?
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You m>ca m>n use the CONm>CA m>T function to do that:
UPDATE tbl SET col=CONm>CA m>T('test',col);
If you want to get cleverer and only update columns which don't already have test prepended, try
UPDATE tbl SET col=CONm>CA m>T('test',col)
WHERE c...
Are nullable types reference types?
...able struct.
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Nullable types represent value-type variables that m>ca m>n be assigned the value of null. You m>ca m>nnot create a nullable type based on a reference type. (Reference types already support the null value.)
So, no they're not reference types.
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