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How to escape the % (percent) sign in C's printf?
...rsion specification) causes a '%' character to be written with no argument converted.
The string really has 2 '%' characters inside (as opposed to escaping characters: "a\bc" is a string with 3 non null characters; "a%%b" is a string with 4 non null characters).
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Request failed: unacceptable content-type: text/html using AFNetworking 2.0
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@Danpe, How to convert above line of code into Swift. I tried with manager.responseSerializer = AFJSONResponseSerializer.serializer() but no use.
– Ganesh Guturi
Aug 28 '15 at 9:54
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How to change indentation mode in Atom?
... instead though. Sublime Text has built in functionality for switching and converting indentation.
16 Answers
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What are the main disadvantages of Java Server Faces 2.0?
..."annoying little things" such as inability to inject an EJB in a validator/converter (already fixed in JSF 2.3), there are not really major disadvantages in the JSF 2.2 specification.
Component based MVC vs Request based MVC
Some may opt that the major disadvantage of JSF is that it allows very l...
What is lexical scope?
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I understand them through examples. :)
First, lexical scope (also called static scope), in C-like syntax:
void fun()
{
int x = 5;
void fun2()
{
printf("%d", x);
}
}
Every inner level can access its outer l...
In Typescript, How to check if a string is Numeric
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The way to convert a string to a number is with Number, not parseFloat.
Number('1234') // 1234
Number('9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when ch...
Output first 100 characters in a string
...reat way to handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first se...
Java 8 List into Map
...ey is NOT guaranteed to be unique for all elements in the list, you should convert it to a Map<String, List<Choice>> instead of a Map<String, Choice>
Map<String, List<Choice>> result =
choices.stream().collect(Collectors.groupingBy(Choice::getName));
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“Parameter” vs “Argument” [duplicate]
I got parameter and argument kind of mixed up and did not really pay attention to when to use one and when to use the other.
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When to use enumerateObjectsUsingBlock vs. for
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Ultimately, use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingB...