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Type of conditional expression cannot be determined because there is no implicit conversion between
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This is also the case if you have a nullable database field type, for example a nullable DateTime and you try and cast data to DateTime, when it infact required (DateTime?)
– Mike Upjohn
Sep 16 '15 at 14:58
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Sequelize.js: how to use migrations and sync
... my project ready to launch. I have big plans for after launch and the database structure is going to change -- new columns in existing tables as well as new tables, and new associations to existing and new models.
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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...the Principle of Least Astonishment
Most awkward/misleading method in Java Base API ?
On autounboxing
The other issue, of course, is how the NullPointerException gets thrown. To focus on this issue, we can simplify the snippet as follows:
Integer someInteger = null;
int num = someInteger; // t...
Non-type template parameters
...having the data members recursively mangled according to their values (for base classes, for example we can apply depth-first, left-to-right traversal). But it's definitely not going to work for arbitrary classes.
share
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Android - Dynamically Add Views into View
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Use the LayoutInflater to create a view based on your layout template, and then inject it into the view where you need it.
LayoutInflater vi = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = vi.inflate(R.layout....
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...y
Error: merged from http://svn.corp.skyscanner.local/svn/SkyScannerDatabase/trunk to
Error: the reintegrate source, but this is not the case:
Error:
Error: branches/myproject/userdata/usermanagementservice
Error:
Error: Missing ranges:
Error: /trunk/userdata/usermanagements...
Node.js: Difference between req.query[] and req.params
...ing req.query , because currently I am working on pagination functionality based on req.query and I have one interesting example to demonstrate to you...
Example:
// Fetching patients from the database
exports.getPatients = (req, res, next) => {
const pageSize = +req.query.pageSize;
const cur...
Why is SCTP not much used/known
... the telecom network. For example - the telecom provider's subscriber data base(HLR), with a switch (MSC), the subscriber is connected too (MSC).
The telecom area is moving to higher speeds and more reachable environment. One of these changes is to replace SS7 protocol by some more elegant, fast an...
Node.js on multi-core machines
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can you offer any advice for running different nodejs based services on one box? E.g. Say I have 1 server, and want to run myservice1.js on CpuCore1, and myservice2.js on CpuCore2. Can I use cluster for this? or is it only useful for creating cloned services?
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getResourceAsStream() vs FileInputStream
...o:
Where to place and how to read configuration resource files in servlet based application?
What does servletcontext.getRealPath("/") mean and when should I use it
Recommended way to save uploaded files in a servlet application
How to save generated file temporarily in servlet based web applicatio...