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Is returning null bad design? [closed]
...mehow controlling the flow (which is not a good practice) or abstracted in API or interface. Errors are there to propagate to any level on which you decide to catch it, hence you don't have to deal with it in calling context. They are by default null-object-pattern-friendly.
– ...
What is the X-REQUEST-ID http header?
...es the id and forwards it to application server.
– isapir
Feb 5 '15 at 19:57
1
The Heroku blog de...
JSP tricks to make templating easier?
...groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
...
Project structure for Google App Engine
...
First, I would suggest you have a look at "Rapid Development with Python, Django, and Google App Engine"
GvR describes a general/standard project layout on page 10 of his slide presentation.
Here I'll post a slightly modified version of the layout/structure from th...
Android: ProgressDialog.show() crashes with getApplicationContext
...
Which API version are you using? If I'm right about what the problem is then this was fixed in Android 1.6 (API version 4).
It looks like the object reference that getApplicationContext() is returning just points to null. I think ...
How to avoid reinstalling packages when building Docker image for Python projects?
...f it doesn't work, check your docker version.
Client version: 1.1.2
Client API version: 1.13
Go version (client): go1.2.1
Git commit (client): d84a070
Server version: 1.1.2
Server API version: 1.13
Go version (server): go1.2.1
Git commit (server): d84a070
...
How to get the current date/time in Java [duplicate]
...ct initialized with the current date / time. The problem is that the Date API methods are mostly flawed ... and deprecated.
Calendar.getInstance() gives you a Calendar object initialized with the current date / time, using the default Locale and TimeZone. Other overloads allow you to use a specifi...
Gradle: How to Display Test Results in the Console in Real Time?
...
Here is my fancy version:
import org.gradle.api.tasks.testing.logging.TestExceptionFormat
import org.gradle.api.tasks.testing.logging.TestLogEvent
tasks.withType(Test) {
testLogging {
// set options for log level LIFECYCLE
events TestLogEvent.FAILE...
Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials
...
The way to solve your problem is to use a Win32 API called WNetUseConnection.
Use this function to connect to a UNC path with authentication, NOT to map a drive.
This will allow you to connect to a remote machine, even if it is not on the same domain, and even if it has a...
How to calculate the SVG Path for an arc (of a circle)
...dit 2016-06-01) If, like @clocksmith, you're wondering why they chose this API, have a look at the implementation notes. They describe two possible arc parameterizations, "endpoint parameterization" (the one they chose), and "center parameterization" (which is like what the question uses). In the de...