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How can I generate random alphanumeric strings?
...nt than the given one return new string(Enumerable.Range(1, length).Select(_ => chars[random.Next(chars.Length)]).ToArray());
– Tyson Williams
Nov 11 '16 at 18:06
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Application auto build versioning
... :) by default it compiles with -ldflags "-Xmain.VERSION x.x.x -Xmain.BUILD_DATE CurrentDateInISO8601", but you can configure those variable names if you like. See github.com/laher/goxc ... (disclaimer: I wrote goxc)
– laher
Nov 14 '13 at 20:51
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Git command to show which specific files are ignored by .gitignore
...
git ls-files -i
should work, except its source code indicates:
if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);
exc_given ?
It turns out it need one more parameter after the -i to actually...
Padding is invalid and cannot be removed?
...he code for CryptoStream.Dispose(bool) is: if (disposing) { if (!this._finalBlockTransformed) { this.FlushFinalBlock(); } this._stream.Close(); }
– Kevin Doyon
Mar 16 '17 at 20:09
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Creating a blurring overlay view
...ize.height);
reOrient = CGAffineTransformRotate(reOrient, M_PI);
break;
case UIImageOrientationLeft:
case UIImageOrientationLeftMirrored:
reOrient = CGAffineTransformTranslate(reOrient, theImage.size.width, 0);
r...
Why are Oracle table/column/index names limited to 30 characters?
...page... http://stanford.edu/dept/itss/docs/oracle/10g/server.101/b10759/ap_standard_sql001.htm
(Looking for a ref)
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When should I use perror(“…”) and fprintf(stderr, “…”)?
...should use fprintf(stderr, fmt, ...). For example, strtol will return LONG_MAX or LONG_MIN if a string is out of range and set errno to ERANGE. So if strtol fails due to out of range, I would use perror.
– freeboy1015
Aug 24 '12 at 2:22
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What is a word boundary in regex?
...tring if it begins or ends (respectively) with a word character ([0-9A-Za-z_]).
So, in the string "-12", it would match before the 1 or after the 2. The dash is not a word character.
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Using ping in c#
... InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
Ping p = new Ping();
PingReply r;
string s;
s = textBox1.Text;
r = p.Send(s);
i...
Read logcat programmatically within application
...7.
*/
public class Logger {
// http://www.java2s.com/Tutorial/Java/0040__Data-Type/SimpleDateFormat.htm
private static final String ANDROID_LOG_TIME_FORMAT = "MM-dd kk:mm:ss.SSS";
private static SimpleDateFormat logCatDate = new SimpleDateFormat(ANDROID_LOG_TIME_FORMAT);
public static Str...