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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...istakenly forget comma in comma-separated join, second table automatically convert to table alias for first table. Not in all cases, but there is chances for something like this
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Parcelable encountered IOException writing serializable object getactivity()
... to get image. I've already set it before and now I just get it first than convert it and pass it separatly:
Bitmap image = selectedItem.getPlacePhoto();
image.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArray = stream.toByteArray();
Intent intent = new Intent(YourPresentActivi...
ASP.NET MVC: Custom Validation by DataAnnotation
...<string>();
var totalLength = values.Sum(x => x.Length) + Convert.ToString(value).Length;
if (totalLength < this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));
}
return null;
}
}
...
How to change time and timezone in iPhone simulator?
...us_bar "iPad Pro (11-inch)" override --time '2020-01-12T10:41:00-06:00' it converts that time to my current CET timezone and sets iOS simulator time to 5:41pm
– randomcontrol
Jan 12 at 18:32
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Date vs DateTime
...eTimeKind.Unspecified so that when serialized it gets deserialized without converting (may change date based upon different in timezones).
– oatsoda
Jul 30 '14 at 9:20
1
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Best practices/performance: mixing StringBuilder.append with String.concat
...done automatically by the compiler.
The Java2 compiler will automatically convert the following:
String s = s1 + s2;
to
String s = (new StringBuffer()).append(s1).append(s2).toString();
Taken straight from the Java Best Practices on Oracles website.
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How to calculate the difference between two dates using PHP?
... up to date solution see jurka's answer below
You can use strtotime() to convert two dates to unix time and then calculate the number of seconds between them. From this it's rather easy to calculate different time periods.
$date1 = "2007-03-24";
$date2 = "2009-06-26";
$diff = abs(strtotime($date...
How to set DialogFragment's width and height?
...
If you convert directly from resources values:
int width = getResources().getDimensionPixelSize(R.dimen.popup_width);
int height = getResources().getDimensionPixelSize(R.dimen.popup_height);
getDialog().getWindow().setLayou...
Literal suffix for byte in .NET?
...condition ? 0 : 1);, which to me looks a bit nicer, or this.pixels[x, y] = Convert.ToByte(!condition);
– Shimmy Weitzhandler
Aug 9 '17 at 12:44
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switch / pattern matching idea
...s. [Side note - if you look at the output of the C# compiler it frequently converts switch statements to dictionary-based jump tables, so there doesn't appear to be a good reason it couldn't support switching on types]
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