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Getting a structural type with an anonymous class's methods from a macro
...an instance of a structural type with the named member. */
def bar(name: String): Any = macro bar_impl
def bar_impl(c: Context)(name: c.Expr[String]) = {
import c.universe._
val anon = TypeName(c.freshName)
// next week, val q"${s: String}" = name.tree
val Literal(Constant(s: St...
BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
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Get a substring of a char* [duplicate]
... @alexandernst: The problem is that you can't do much with that string data without copying it. If you take a pointer to the section from the original string you need to know the length as it will have no null terminator (Without affecting the original string).
– Go...
Create Directory When Writing To File In Node.js
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Node <= 10.11.0
You can solve this with a package like mkdirp or fs-extra. If you don't want to install a package, please see Tiago Peres França's answer below.
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How to change colors of a Drawable in Android?
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If you want to use a color resource rather than a string (#ff0000 etc), you can use e.g. int iColor = getResources().getColor(R.color.primary)
– Ben Clayton
Aug 20 '14 at 15:02
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How to remove newlines from beginning and end of a string?
I have a string that contains some text followed by a blank line. What's the best way to keep the part with text, but remove the whitespace newline from the end?
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Compare two DataFrames and output their differences side-by-side
... in the score column):
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
DF1 = StringIO("""id Name score isEnrolled Comment
111 Jack 2.17 True "He was late to class"
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Broadcast receiver for checking internet connection in android app
...c void onReceive(Context context, Intent intent) {
Bundle extras = intent.getExtras();
NetworkInfo info = (NetworkInfo) extras
.getParcelable("networkInfo");
State state = info.getState();
Log.d("TEST Internet...
Is it possible to implement a Python for range loop without an iterator variable?
...'myapplication')
_ = gettext.gettext
# ...
print _('This is a translatable string.')
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Output first 100 characters in a string
Can seem to find a substring function in python.
8 Answers
8
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