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Why does base64 encoding require padding if the input length is not divisible by 3?
...ence is lost. However, if padded sequences are used, there's no ambiguity, and the sequence as a whole can be decoded correctly.
Edit: An Illustration
Suppose we have a program that base64-encodes words, concatenates them and sends them over a network. It encodes "I", "AM" and "TJM", sandwiches th...
How to convert jsonString to JSONObject in Java
... @Gubatron Thanks dude you are right i have just downloaded it and make jar so now its working fine.
– Mr. Sajid Shaikh
Mar 10 '11 at 5:45
3
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How to write a cron that will run a script every day at midnight?
I have heard crontab is a good choice, but how do I write the line and where do I put it on the server?
6 Answers
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What happens if you static_cast invalid value to enum class?
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What is color set to according to the standard?
Answering with a quote from the C++11 and C++14 Standards:
[expr.static.cast]/10
A value of integral or enumeration type can be explicitly converted to an enumeration type. The value is unchanged if the origina...
Is it possible to view bytecode of Class file? [duplicate]
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Yes. You can use the javap command that's included with the JDK to see the byte code of a class. For example:
javap -c com.mypackage.MyClass
There are several libraries and tools that help you to work with Java bytecode, for example ASM and Jasmin.
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What do ellipsis […] mean in a list?
...inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happening.
Now, regarding the three new items after ...
Common use-cases for pickle in Python
I've looked at the pickle documentation, but I don't understand where pickle is useful.
9 Answers
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Split a String into an array in Swift?
... that String no longer adopts the SequenceType or CollectionType protocols and you must instead use the .characters property to access a CharacterView type representation of a String instance. (Note: CharacterView does adopt SequenceType and CollectionType protocols).
let fullName = "First Last"
le...
Limit text length to n lines using CSS
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There's a way to do it using unofficial line-clamp syntax, and starting with Firefox 68 it works in all major browsers.
body {
margin: 20px;
}
.text {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2; /* number of lin...
Allowing interaction with a UIView under another UIView
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You should create a UIView subclass for your top view and override the following method:
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
// UIView will be "transparent" for touch events if we return NO
return (point.y < MIDDLE_Y1 || point.y > MIDDL...