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Can linux cat command be used for writing text to file?
...swered May 2 '15 at 16:36
stolen_leavesstolen_leaves
1,05799 silver badges1818 bronze badges
...
document.getElementById vs jQuery $()
... @IvanIvković: The first one is faster, since it doesn't involve string parsing.
– SLaks
Jan 18 '13 at 16:56
1
...
How to terminate the script in JavaScript?
...it();
// * returns 1: null
var i;
if (typeof status === 'string') {
alert(status);
}
window.addEventListener('error', function (e) {e.preventDefault();e.stopPropagation();}, false);
var handlers = [
'copy', 'cut', 'paste',
'beforeunload', 'blur...
How to write binary data to stdout in python 3?
...g shutil.copyfileobj even when the source file object gives bytes, and not strings. +1
– csl
Jun 19 '15 at 14:45
1
...
Why are interface variables static and final by default?
... int x=66;
}
public class D implements A,B {
public static void main(String[] a){
System.out.println(x); // which x?
}
}
Here is the solution.
System.out.println(A.x); // done
I think it is the one reason why interface variable are static.
Don't declare variables inside Inter...
Closing Database Connections in Java
...aseConnection(); Statement statement = connection.createStatement()) {
String sqlToExecute = "SELECT * FROM persons";
try (ResultSet resultSet = statement.execute(sqlToExecute)) {
if (resultSet.next()) {
System.out.println(resultSet.getString("name");
}
}
} ca...
Update a record without first querying?
...sons, you may want to pass in variables instead of a single hard coded SQL string. This will allow SQL Server to cache the query and reuse with parameters. Example:
dataEntity.ExecuteStoreCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = {0}", new object[] { 123 });
UPDATE - f...
FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)。
(4)、如果存在老OS或程序无法读取的字符，换以"_"
短文件格式的目录项。其参数意义见表14：
表14 FAT32短文件目录项32个字节的表示定义
字节偏移(16进制)
字节数
定义
0x0~0x7
8
文件名
0x8~0xA...
Proper way to catch exception from JSON.parse
... the contents of the iframe with json parse...so sometimes it's not a json string
Try this:
if(response) {
try {
a = JSON.parse(response);
} catch(e) {
alert(e); // error in the above string (in this case, yes)!
}
}
...
Sorting multiple keys with Unix sort
...file
Not this: sort -k 3 -k 2 < inputfile which sorts the file by the string from the beginning of field 3 to the end of line (which is potentially unique).
-k, --key=POS1[,POS2] start a key at POS1 (origin 1), end it at POS2
(default end of line)
...