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c# datatable to csv
...able<string> fields = row.ItemArray.Select(field =>
string.Concat("\"", field.ToString().Replace("\"", "\"\""), "\""));
sb.AppendLine(string.Join(",", fields));
}
And last suggestion, you could write the csv content line by line instead of as a whole document, to avoid having a...
How to read a file in reverse order?
...ous chunk starts right from the beginning of line
# do not concat the segment to the last line of new chunk.
# Instead, yield the segment first
if buffer[-1] != '\n':
lines[-1] += segment
else:
y...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...e.log('filePath:fileNumber', something). The advantage is that now you can concat your files, transpile them... and you will still get the line
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How to select following sibling/xml tag using xpath
...ss in the value of the @class attribute, the predicate to use is: contains(concat(' ', @class, ' '), ' name ') . But in this question the @class attributes do have only single values.
– Dimitre Novatchev
Jun 15 '15 at 15:17
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...LD 2525
MYSQL_LOGIN_FIELD username
MYSQL_HOME_FIELD concat('/var/mailbox/',homedir)
MYSQL_NAME_FIELD name
MYSQL_MAILDIR_FIELD concat('/var/mailbox/',maildir)
4、提供Sysv风格的服务脚本
在courier-authlib的源码解压目录下将courier-authlib.sysvini...
Is there a JavaScript function that can pad a string to get to a determined length?
...n just appends to string to be added to this pre-padded string (one string concat) and then slices or trims the result to the desired length.
function pad(pad, str, padLeft) {
if (typeof str === 'undefined')
return pad;
if (padLeft) {
return (pad + str).slice(-pad.length);
} else {
...
Handling optional parameters in javascript
....length);
}
//fire callback with args and remaining values concatenated
return callback.apply(null, args.concat(values));
};
//if there are not values to process, just fire callback
if (!values.length) {
return done();
}
//loop through configs to create mo...
How to get the difference between two arrays in JavaScript?
...arr1
.filter(x => !arr2.includes(x))
.concat(arr2.filter(x => !arr1.includes(x)));
This way, you will get an array containing all the elements of arr1 that are not in arr2 and vice-versa
As @Joshaven Potter pointed out on his answer, you can add this to A...
JavaScript, Node.js: is Array.forEach asynchronous?
...nt approach:
function processArray(items, process) {
var todo = items.concat();
setTimeout(function() {
process(todo.shift());
if(todo.length > 0) {
setTimeout(arguments.callee, 25);
}
}, 25);
}
and then call it with:
processArray([many many el...
Remove Object from Array using JavaScript
...n x, use:
someArray.splice(x, 1);
Or
someArray = someArray.slice(0, x).concat(someArray.slice(-x));
Reply to the comment of @chill182: you can remove one or more elements from an array using Array.filter, or Array.splice combined with Array.findIndex (see MDN), e.g.
// non destructive fil...