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How to escape double quotes in JSON
...Tag wird ein neues Reiseziel angesteuert bis wir.
A second encoding then converts it again, escaping the already escaped characters:
FROM: Heute startet unsere Rundreise \"Example text\". Jeden Tag wird ein neues Reiseziel angesteuert bis wir.
TO: Heute startet unsere Rundreise \\\"Example text\...
How do I calculate someone's age in Java?
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JDK 8 makes this easy and elegant:
public class AgeCalculator {
public static int calculateAge(LocalDate birthDate, LocalDate currentDate) {
if ((birthDate != null) && (currentDate != null)) {
return Period.betwee...
App Inventor 2 与 Mixly（米思齐）MixIO 平台数据通信方案完整调研 - 创客...
.../gitee.com/mixly2/mixio- App Inventor 2 中文网：https://www.fun123.cn- 清泛IT社区（技术交流）：https://bbs.tsingfun.com本文由 App Inventor 2 中文网团队整理，转载请注明出处。
When would you use delegates in C#? [closed]
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Now that we have lambda expressions and anonymous methods in C#, I use delegates much more. In C# 1, where you always had to have a separate method to implement the logic, using a delegate often didn't make sense. These days I use delegates for:
Event handler...
What do single quotes do in C++ when used on multiple characters?
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0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined
value.
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Is a colon `:` safe for friendly-URL use?
...".", "-", "*", and
"_" remain the same.
The space
character " " is converted into a plus
sign "+".
All other characters are
unsafe and are first converted into
one or more bytes using some encoding
scheme. Then each byte is represented
by the 3-character string "%xy", where
xy ...
Android: How can I validate EditText input?
...lidated, I think the following shall suit you :
Your activity implements android.text.TextWatcher interface
You add TextChanged listeners to you EditText boxes
txt1.addTextChangedListener(this);
txt2.addTextChangedListener(this);
txt3.addTextChangedListener(this);
Of the overridden methods, y...
How do I skip an iteration of a `foreach` loop?
In Perl I can skip a foreach (or any loop) iteration with a next; command.
8 Answers
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How to pass objects to functions in C++?
...C++11:
Pass by value, except when
you do not need ownership of the object and a simple alias will do, in which case you pass by const reference,
you must mutate the object, in which case, use pass by a non-const lvalue reference,
you pass objects of derived classes as base classes, in which case yo...
Reading a simple text file
I am trying to read a simple text file in my sample Android Application. I am using the below written code for reading the simple text file.
...