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Is it safe to use -1 to set all bits to true?
...alue you need, to initialize a to the highest possible value, is -1 or UINT_MAX. The second will depend on the type of a - you will need to use ULONG_MAX for an unsigned long. However, the first will not depend on its type, and it's a nice way of getting the most highest value.
We are not talking a...
Parse large JSON file in Nodejs
...d to hear if it works.
It does work consider the following Javascript and _.isString:
stream.pipe(JSONStream.parse('*'))
.on('data', (d) => {
console.log(typeof d);
console.log("isString: " + _.isString(d))
});
This will log objects as they come in if the stream is an array of obj...
@UniqueConstraint and @Column(unique = true) in hibernate annotation
... The same aplies for group.
On the other hand,
@Table(
name = "product_serial_group_mask",
uniqueConstraints = {@UniqueConstraint(columnNames = {"mask", "group"})}
)
Implies that the values of mask + group combined should be unique. That means you can have, for example, a record with mask...
How can I create tests in Android Studio?
...ike this:
public class ExampleUnitTest {
@Test
public void addition_isCorrect() throws Exception {
assertEquals(4, 2 + 2);
}
}
Press the double green arrow to run all the tests or the single green arrow to run only one. (In this case there is only one test so they both do the sa...
Setting onClickListener for the Drawable right of an EditText [duplicate]
... {
Rect bounds;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
actionX = (int) event.getX();
actionY = (int) event.getY();
if (drawableBottom != null
&& drawableBottom.getBounds().contains(actionX, actionY)) {
...
How to clone a case class instance and change just one field in Scala?
...ed on current value.
val newPersona2 = messageLens.modify(existingPersona)(_ + "iPad")
// Results:
// newPersona1: Persona(store,apple,Set())
// newPersona2: Persona(store,apple,Set(iPhone, iPad))
Moreover, in case you have nested case classes, the getter and setter methods can be a bit tedious t...
Set folder browser dialog start location
...nswered May 10 '09 at 0:39
great_llamagreat_llama
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...
PHP: How to handle
...is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo><content><![CDATA[Hello, world!...
How to handle static content in Spring MVC?
.../java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startu...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
...
if(JavaVersion.current() != JavaVersion.VERSION_1_8) throw new GradleException("This project requires Java 8, but it's running on "+JavaVersion.current()) This is how I sort this issue out, right in the beginning of the build.gradle file.
– Xerus
...