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How to check if std::map contains a key without doing insert?
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Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you want.
Alternately my_map.find( key ) != my_map.end() works too.
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
... running the remote JVM -- something like
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
Launch sbt with these arguments and then execute jetty-run. Finally, launch your remote debug configuration in IntelliJ. This thread might be useful.
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Remove Object from Array using JavaScript
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This however will remove all the occurrences found, not only the first one
– Flavien Volken
Jul 12 '16 at 6:49
6
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How do I invoke a Java method when given the method name as a string?
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Dog class:
package com.mypackage.bean;
public class Dog {
private String name;
private int age;
public Dog() {
// empty constructor
}
public Dog(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
r...
How can I get the sha1 hash of a string in node.js?
...JSON = function(input){
return crypto.createHash('sha256').update(JSON.stringify(input)).digest('hex')
}
To answer your question and make a SHA1 hash:
const INSECURE_ALGORITHM = 'sha1'
var getInsecureSHA1ofJSON = function(input){
return crypto.createHash(INSECURE_ALGORITHM).update(JSON.st...
How to turn a String into a JavaScript function call? [duplicate]
I got a string like:
13 Answers
13
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How can I make Array.Contains case-insensitive on a string array?
I am using the Array.Contains method on a string array. How can I make that case-insensitive?
4 Answers
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Changing Locale within the app itself
...tion config = getBaseContext().getResources().getConfiguration();
String lang = settings.getString(getString(R.string.pref_locale), "");
if (! "".equals(lang) && ! config.locale.getLanguage().equals(lang))
{
locale = new Locale(lang);
Locale.s...
Java; String replace (using regular expressions)?
As part of a project for school, I need to replace a string from the form:
12 Answers
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How to write a Unit Test?
...input.
Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) :
Write a method, and above it add the @Test annotation.
In the method, run your binary sum and assertEquals(expectedVal,cal...