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How do I import the javax.servlet API in my Eclipse project?
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Ensure you've the right Eclipse and Server
Ensure that you're using at least Eclipse IDE for Enterprise Java developers (with the Enterprise). It contains development tools to create dynamic web projects and easily integrate servletcontainers (those tools are part of Web Tools Platform, WTP). In...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...s, SetProcessDPIAware is deprecated, and it also doesn't work properly (at least not in Win8.1), causing unpredictable scaling on different controls. I strongly recommend using the manifest approach instead.
– Jason Williams
Aug 27 '14 at 22:20
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Can Mockito stub a method without regard to the argument?
...a proper ID was passed to it. I prefer this over any by itself so that at least some inspection is done on the argument.
Bar mockBar = //generate mock Bar.
when(fooDao.getBar(any(Bazo.class))
.thenAnswer( ( InvocationOnMock invocationOnMock) -> {
Bazo actualBazo = invocati...
How to combine two or more querysets in a Django view?
...models works as long as the SELECT
list is the same in all QuerySets (at least the types, the names don’t
matter as long as the types in the same order).
In addition, only LIMIT, OFFSET, and ORDER BY (i.e. slicing and
order_by()) are allowed on the resulting QuerySet. Further, databases...
How to reset postgres' primary key sequence when it falls out of sync?
...ne vote...nicely done sir. Works great on Postgres 9.1 as well, for me at least.
– peelman
May 8 '14 at 12:23
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Can a foreign key be NULL and/or duplicate?
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1 - Yes, since at least SQL Server 2000.
2 - Yes, as long as it's not a UNIQUE constraint or linked to a unique index.
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updating table rows in postgres using subquery
... convenient for this type of query than standard SQL. I believe Oracle (at least) accepts something similar.
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json_encode is returning NULL?
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If you have at least PHP 5.5, you can use json_last_error_msg(), which will return a string describing the problem.
If you don't have 5.5, but are on/above 5.3, you can use json_last_error() to see what the problem is.
It will return an i...
Xcode 5: Code signing entitlement errors
...the Build and Archive command to make sure the new profile is applied. (At least, that was necessary for me.)
– Brent Royal-Gordon
Nov 13 '13 at 5:43
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How to easily initialize a list of Tuples?
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at least use Tuple.Create instead and you can infer the type arguments
– Dave Cousineau
Feb 19 '16 at 19:38
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