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How can I read a text file in Android?
... text file
File file = new File(sdcard,"file.txt");
//Read text from file
StringBuilder text = new StringBuilder();
try {
BufferedReader br = new BufferedReader(new FileReader(file));
String line;
while ((line = br.readLine()) != null) {
text.append(line);
text.append(...
Regex empty string or email
...ex email validation in SO but I did not find any that will accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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How do I convert from stringstream to string in C++?
How do I convert from std::stringstream to std::string in C++?
4 Answers
4
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How to check if a json key exists?
...p://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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How to check String in response body with mockMvc
... andReturn() and use the returned MvcResult object to get the content as a String.
See below:
MvcResult result = mockMvc.perform(post("/api/users").header("Authorization", base64ForTestUser).contentType(MediaType.APPLICATION_JSON)
.content("{\"userName\":\"testUserDetails\",\"firstName...
Convert string to a variable name
I am using R to parse a list of strings in the form:
10 Answers
10
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How would you make a comma-separated string from a list of strings?
What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,b,c' ? (The cases ['s'] and [] should be mapped to 's' and '' , respectively.)
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Callback functions in Java
...itor{
int doJob(int a, int b);
}
public static void main(String[] args) {
Visitor adder = new Visitor(){
public int doJob(int a, int b) {
return a + b;
}
};
Visitor multiplier = new Visitor(){
public int d...
Java String array: is there a size of method?
...
Yes, .length (property-like, not a method):
String[] array = new String[10];
int size = array.length;
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Python 2.7 getting user input and manipulating as string without quotations
I want to get a string from a user, and then to manipulate it.
8 Answers
8
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