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How do shift operators work in Java? [duplicate]
...
System.out.println(Integer.toBinaryString(2 << 11));
Shifts binary 2(10) by 11 times to the left. Hence: 1000000000000
System.out.println(Integer.toBinaryString(2 << 22));
Shifts binary 2(10) by 22 times to the left. Hence : 1000000000000000...
How to clear all s’ contents inside a parent ?
...
Using .empty() would be a better option as no string parsing is involved. It operates directly on the DOM object model.
– Drew Noakes
Aug 22 '10 at 19:43
...
Stop Mongoose from creating _id property for sub-document array items
...t declaration.
var schema = new mongoose.Schema({
field1:{
type:String
},
subdocArray:[{
_id:false,
field :{type:String}
}]
});
This will prevent the creation of an _id field in your subdoc.
Tested in Mongoose v5.9.10
...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
...t seems that the relevant character encoding to get the 'binary data' from string, should be iso-8859-1. (source)
– Myobis
Apr 24 '14 at 14:09
...
How does autowiring work in Spring?
... @RequestMapping("/login")
public void login(@RequestParam("username") String username,
@RequestParam("password") String password) {
// The UserServiceImpl is already injected and you can use it
userService.login(username, password);
}
}
A few notes:
In your ...
Get a filtered list of files in a directory
...ead for very large data sets, but for listing a directory and other simple string filtering tasks, list comprehensions lead to more clean documentable code.
The only thing about this design is that it doesn't protect you against making the mistake of passing a string instead of a list. For example...
How to dynamically create CSS class in JavaScript and apply?
...Sheets[i].media;
mediaType = typeof media;
if (mediaType === 'string') {
if (media === '' || (media.indexOf('screen') !== -1)) {
styleSheet = document.styleSheets[i];
}
}
else if (mediaType=='object') {
if (media.mediaText === '' || (media.m...
How to put multiple statements in one line?
...t I just want the code to continue running ... for instance, to check if a string can be an integer try: int(string) ... If it can't, then just continue to the next line, no need for an exception. I see what you're saying, but is there any other way that can accommodate for this type of checking/err...
Making TextView scrollable on Android
...h="fill_parent"
android:layout_height="fill_parent"
android:text="@string/hello"
/>
</LinearLayout>
File WordExtractTest.java
public class WordExtractTest extends Activity {
TextView tv1;
/** Called when the activity is first created. */
@Override
public voi...
Symfony2 : How to get form validation errors after binding the request to the form
...s($child);
}
}
return $errors;
}
To get all errors as a string:
$string = var_export($this->getErrorMessages($form), true);
Symfony 2.5 / 3.0:
$string = (string) $form->getErrors(true, false);
Docs:
https://github.com/symfony/symfony/blob/master/UPGRADE-2.5.md#form
h...