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Most efficient way to remove special characters from string
...haracters(this string str) {
StringBuilder sb = new StringBuilder();
foreach (char c in str) {
if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || c == '.' || c == '_') {
sb.Append(c);
}
}
return...
In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
...
require.resolve() is a partial answer. The accepted answer may work for many node modules, but won't work for all of them.
require.resolve("moduleName") doesn't give you the directory where the module is installed; it gives you the location of the file defined in the main attribute in the mod...
append multiple values for one key in a dictionary [duplicate]
I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
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Constructor overload in TypeScript
... @remcoder, that would always be true. Some kinds of type information are not available at runtime. For example, there is no concept of the interface IBox in the generated JavaScript. It could work for classes and built in types, but I suppose given the potential confusion around this...
Why do we need virtual functions in C++?
...that eat() is called via an intermediate function (a trivial function just for this example):
// This can go at the top of the main.cpp file
void func(Animal *xyz) { xyz->eat(); }
Now our main function is:
Animal *animal = new Animal;
Cat *cat = new Cat;
func(animal); // Outputs: "I'm eating...
Removing event listener which was added with bind
... x);
Toolbox.removeListener(window, 'scroll', x);
This works as expected for me.
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Python: Best way to add to sys.path relative to the current running script
...(e.g., setup.py), then os.path.dirname(__file__) will be the empty string. For this and similar concerns raised by John Jiang, ekhumoro's more general-purpose solution is strongly preferable.
– Cecil Curry
Oct 16 '19 at 6:02
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How to set versionName in APK filename using gradle?
...b files).
See Also: How to change the proguard mapping file name in gradle for Android project
#Solution for Recent Gradle Plugin
android {
compileSdkVersion 22
buildToolsVersion "22.0.1"
defaultConfig {
applicationId "com.company.app"
minSdkVersion 13
targetSdkVe...
How to do Base64 encoding in node.js?
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Buffers can be used for taking a string or piece of data and doing base64 encoding of the result. For example:
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'b...
Python's equivalent of && (logical-and) in an if-statement
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what should i do for this: if x=='n' and y =='a' or y=='b': <do something> Will it work !? @ChristopheD
– diffracteD
Apr 2 '15 at 15:35
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