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How to convert an Int to a String of a given length with leading zeros to align?
How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ?
7 Answers
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Difference between class and type
...pe .
For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both?
5 An...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
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return value + ' ' + this.className;
});
This example appends the string "
items" to the text inputs' values.
This requires jQuery 1.4+.
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URL encoding in Android
...ode the entire URL, only parts of it that come from "unreliable sources".
String query = URLEncoder.encode("apples oranges", "utf-8");
String url = "http://stackoverflow.com/search?q=" + query;
Alternatively, you can use Strings.urlEncode(String str) of DroidParts that doesn't throw checked excep...
In Java, is there a way to write a string literal without having to escape quotes?
Say you have a String literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
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Implicit type conversion rules in C++ operators
...re promoted to int
Note. The minimum size of operations is int. So short/char are promoted to int before the operation is done.
In all your expressions the int is promoted to a float before the operation is performed. The result of the operation is a float.
int + float => float + float = flo...
Purpose of memory alignment
...m from 0x0004 and shift left 1 byte to place it in a 16-bit register; some extra work, but most can handle that in one cycle.
When you ask for 32 bits from 0x0001 you'll get a 2X amplification. The processor will read from 0x0000 into the result register and shift left 1 byte, then read again from ...
How to convert QString to std::string?
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One of the things you should remember when converting QString to std::string is the fact that QString is UTF-16 encoded while std::string... May have any encodings.
So the best would be either:
QString qs;
// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toU...
Read/write files within a Linux kernel module
...,
loff_t *pos);
Also, filp_open no longer accepts user-space string, so it can be used for kernel access directly (without dance with set_fs).
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How can a string be initialized using “ ”?
If String is a class just like any other, how can it be initialized using double quotes?
10 Answers
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