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Display / print all rows of a tibble (tbl_df)
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In git, is there a simple way of introducing an unrelated branch to a repository?
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There is a new feature (since V1.7.2) which makes this task a little more high-level than what's in any of the other answers.
git checkout now supports the --orphan option. From the man page:
git checkout [-q] [-f] [-m] --orphan <n...
Cannot make a static reference to the non-static method
...ects that are of a particular type (the class). These are created with the new like this:
SomeClass myObject = new SomeClass();
To call an instance method, you call it on the instance (myObject):
myObject.getText(...)
However a static method/field can be called only on the type directly, say l...
How do I rename a project in Xcode 5?
...ide, click 2 x slowly and the Project file name will be editable.
Type the new name.
A sheet will appear with a warning and will list all the items Xcode 5 believes it should change.
You can probably trust it, but you should inspect it.
The list will include the info.plist and various files, but als...
How to call a Parent Class's method from Child Class in Python?
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Yes, but only with new-style classes. Use the super() function:
class Foo(Bar):
def baz(self, arg):
return super().baz(arg)
For python < 3, use:
class Foo(Bar):
def baz(self, arg):
return super(Foo, self).baz(arg...
How to copy Docker images from one host to another without using a repository
... for generated tar file> <image name>
Then copy your image to a new system with regular file transfer tools such as cp, scp or rsync(preferred for big files). After that you will have to load the image into Docker:
docker load -i <path to image tar file>
PS: You may need to sudo ...
Create aar file in Android Studio
...odule's directory.
You can choose the "Android Library" type in File > New Module to create a new Android Library.
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Sign APK without putting keystore info in build.gradle
... android.signingConfigs.hasProperty(configName)) {
def props = new Properties()
props.load(new FileInputStream(propsFile))
android.signingConfigs[configName].storeFile = file(props['storeFile'])
android.signingConfigs[configName].storePassword = props[...
Can I set an unlimited length for maxJsonLength in web.config?
...e following within your Controller (or anywhere really):
var serializer = new JavaScriptSerializer();
// For simplicity just use Int32's max value.
// You could always read the value from the config section mentioned above.
serializer.MaxJsonLength = Int32.MaxValue;
var resultData = new { Value =...
How to remove the first character of string in PHP?
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To remove first Character of string in PHP,
$string = "abcdef";
$new_string = substr($string, 1);
echo $new_string;
Generates: "bcdef"
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