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Why does String.valueOf(null) throw a NullPointerException?
...es that in these kind of cases, the most specific overload is chosen:
JLS 15.12.2.5 Choosing the Most Specific Method
If more than one member method is both accessible and applicable to a method invocation, it is necessary to choose one to provide the descriptor for the run-time method dispatc...
CMake link to external library
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106
Set libraries search path first:
LINK_DIRECTORIES(${CMAKE_BINARY_DIR}/res)
And then just do...
Is there any git hook for pull?
...
186
The githooks man page is a complete list of hooks. If it's not on there, it doesn't exist.
Th...
How to preserve line breaks when storing a command output to a variable in bash?
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192
Quote your variables. Here is it why:
$ f="fafafda
> adffd
> adfadf
> adfafd
> af...
What is a “memory stomp”?
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118
Memory is "stomped" when a piece of code manipulates memory without realizing that another pie...
Resize image proportionally with MaxHeight and MaxWidth constraints
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edited Jul 10 '15 at 5:14
answered Jun 28 '11 at 5:34
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req.query and req.param in ExpressJS
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110
req.query will return a JS object after the query string is parsed.
/user?name=tom&age=55...
Difference between timestamps with/without time zone in PostgreSQL
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162
The differences are covered at the PostgreSQL documentation for date/time types. Yes, the trea...
What is the behavior difference between return-path, reply-to and from?
...mpany.com>
Subject: Super simple email
Reply-To: <coolstuff-threadId=123@mymailinglist.com>
This is a very simple body.
Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets sa...
Adding Permissions in AndroidManifest.xml in Android Studio?
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137
You can only type them manually, but the content assist helps you there, so it is pretty easy....