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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
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C#读写文件：
using System.IO;
private void ReadWriteFunc(string str)
{
// 写文件
using (StreamWriter sw = new StreamWriter(@"test.txt"))
{
sw.WriteLine("file content...");
sw.Flush();
sw.Close();
}
// 读文件...
Most efficient way to concatenate strings?
What's the most efficient way to concatenate strings?
17 Answers
17
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How to parse the AndroidManifest.xml file inside an .apk package
...// 0th word is 03 00 08 00
// 3rd word SEEMS TO BE: Offset at then of StringTable
// 4th word is: Number of strings in string table
// WARNING: Sometime I indiscriminently display or refer to word in
// little endian storage format, or in integer format (ie MSB first).
int numbStrings = LE...
Finding all possible permutations of a given string in python
I have a string. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
...
How to check if a String is numeric in Java
How would you check if a String was a number before parsing it?
39 Answers
39
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Insert text with single quotes in PostgreSQL
...
String literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with ...
How to create a WPF UserControl with NAMED content
...ty HeadingProperty =
DependencyProperty.Register("Heading", typeof(string),
typeof(HeadingContainer), new PropertyMetadata(HeadingChanged));
private static void HeadingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
((HeadingContainer) d).Heading ...
Trying to embed newline in a variable in bash [duplicate]
... Append
unset first_loop
done
echo -e "$p" # Use -e
Avoid extra leading newline
var="a b c"
first_loop=1
for i in $var
do
(( $first_loop )) && # "((...))" is bash specific
p="$i" || # First -> Set
p="$p\n$i" # After -> Append
unset ...
Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
...
How to split a string in Haskell?
Is there a standard way to split a string in Haskell?
13 Answers
13
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