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How can I check if a string is null or empty in PowerShell?
...ion to [string]::IsNullOrEmpty in order to check for null or empty you can cast a string to a Boolean explicitly or in Boolean expressions:
$string = $null
[bool]$string
if (!$string) { "string is null or empty" }
$string = ''
[bool]$string
if (!$string) { "string is null or empty" }
$string = 's...
How do I detect the Python version at runtime? [duplicate]
...
The returned value is not an integer, so I had to cast it in order to perform comparison: if int(sys.version[0]) < 3:.
– Ibrahim.H
May 5 at 11:12
...
How can I filter a date of a DateTimeField in Django?
...lementedError: subclasses of basedatabaseoperations may require a datetime_cast_date() method
– AbdurRehman Khan
Oct 1 '19 at 7:04
add a comment
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How do you round UP a number in Python?
... truncated before the ceiling call. You have to make one value a float (or cast) to get a correct result.
In javascript, the exact same code produces a different result:
console.log(Math.ceil(4500/1000));
5
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
...
Cast table to Enumerable, then you call LINQ methods with using ToString() method inside:
var example = contex.table_name.AsEnumerable()
.Select(x => new {Date = x.date.ToString("M/d/yyyy")...)
But be careful, when ...
Defining Z order of views of RelativeLayout in Android
...ieve.
I you set an elevation of an element in the layout it will start to cast a shadow. If you don't want this effect you can remove the shadow with code like so:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
myView.setOutlineProvider(null);
}
I haven't found any way to re...
T-SQL query to show table definition?
... DriAll = true })
.Cast<string>()
.Select(s => s + "\n" + "GO")
.ToList()
.ForEach(Console.WriteLine);
}
}
}
...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
... stream. For int[] or long[] or other arrays where the value can simply be cast to String, I'd look for a non-streaming solution. In fact I am looking.
– Adam
Nov 6 '17 at 12:11
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Remove last character from string. Swift language
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In Swift 2.0 for have to properly cast the result expression = String(expression.characters.dropLast()) if you want it back as a String
– cromanelli
Sep 18 '15 at 18:57
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Deserialize JSON with C#
...wing:
var jsonData = JObject.Parse("your JSON data here");
Then you can cast jsonData to JArray, and you can use a for loop to get data at each iteration.
Also, I want to add something:
for (int i = 0; (JArray)jsonData["data"].Count; i++)
{
var data = jsonData[i - 1];
}
Working with dynam...