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How to use android emulator for testing bluetooth application?
...he code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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How to convert timestamp to datetime in MySQL?
...at stores it in milliseconds (for example Java's timestamp) you have to divide by 1000 to obtain the right Unix time in seconds.
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Can Vim highlight matching HTML tags like Notepad++?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Order by multiple columns with Doctrine
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thanks. i didnt notice this before. i thought two orderBy statements are ok for this. so i didnt realize the addOrderBy method. cheers for pointing it out :)
– user3676604
Jul 12 '17 at 14:43
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Persistent :set syntax for a given filetype?
... @xaizek I understand this is recommended, but do you have any idea why it does not work for me if I put in ~/.vimrc instead of ~/.vim/ftdetect/?
– Haralan Dobrev
May 26 '14 at 23:56
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Should JAVA_HOME point to JDK or JRE?
...Java Development Kit) where utilities such as javac (the Java Compiler) reside. Otherwise, you can point to the JRE (Java Runtime Environment).
The JDK contains everything the JRE has and more. If you're just executing Java programs, you can point to either the JRE or the JDK.
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Why should I implement ICloneable in c#?
...lse about it. This is a very different situation from e.g. IEnumerable or IDisposable; there are many situations where it's useful to accept an IEnumerable without knowing anything other than how to enumerate it.
On the other hand, ICloneable may be useful when applied as a generic constraint alon...
Overloaded method selection based on the parameter's real type
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I expect the method selection to take
in consideration the real (not the
declared) parameter type. Am I missing
something?
Yes. Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter t...
Rails how to run rake task
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please provide reference if you're going to say something like 'the "correct" way...'. my answer was a response to the original question.
– Luke W
Oct 24 '12 at 19:32
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What does |= (single pipe equal) and &=(single ampersand equal) mean
...se-NOT)
& means "the result is all the attributes which occur on both sides of the operand"
So it's basically acting as a mask - only retain those attributes which appear in ("everything except System"). In general:
|= will only ever add bits to the target
&= will only ever remove bits f...