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How can I expand and collapse a using javascript?
I have created a list on my site. This list is created by a foreach loop that builds with information from my database. Each item is a container with different sections, so this is not a list like 1, 2, 3... etc. I am listing repeating sections with information. In each section, there is a subse...
How to provide different Android app icons for different gradle buildTypes?
... debug build type. Is there any way to this just through the build type, without getting into product flavors? build.gradle file is below.
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What is the best way to clone/deep copy a .NET generic Dictionary?
...lone());
}
return ret;
}
That relies on TValue.Clone() being a suitably deep clone as well, of course.
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Can we define implicit conversions of enums in c#?
Is it possible to define an implicit conversion of enums in c#?
12 Answers
12
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How to add new elements to an array?
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A better solution would be to use an ArrayList which can grow as you need it. The method ArrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.a...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...her reason for this maybe because you try to set a column to NOT NULL when it actually already has NULL values.
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How can I delete all unversioned/ignored files/folders in my working copy?
If I have a working copy of a Subversion repository, is there a way to delete all unversioned or ignored files in that working copy with a single command or tool? Essentially, I'm looking for the SVN analogue to git clean .
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constant pointer vs pointer on a constant value [duplicate]
...st(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const char * a;
means that the pointed data cannot be written to using the pointer a.
Using a const_cast(C++) or c-style cast to cast away the constness in this case causes Undefined Behavior.
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How to get current timestamp in milliseconds since 1970 just the way Java gets
...ss to the C++ 11 libraries, check out the std::chrono library. You can use it to get the milliseconds since the Unix Epoch like this:
#include <chrono>
// ...
using namespace std::chrono;
milliseconds ms = duration_cast< milliseconds >(
system_clock::now().time_since_epoch()
);
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
...ghly-scalable application which must store a lot of data. Just for example it will store lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL.
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