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Kotlin: how to pass a function as parameter to another?
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Use :: to signify a function reference, and then:
fun foo(m: String, bar: (m: String) -> Unit) {
bar(m)
}
// my function to pass into the other
fun buz(m: String) {
println("another message: $m")
}
// someone passing buz into foo
fun something() {
foo("hi", ::buz)
}
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In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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Android read text raw resource file
...redReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
while (line != null) { ... }
Don't forget that readLine() skips the new-lines!
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“Server” vs “Data Source” in connection string
... SqlLocalDb installed to work locally. Good, but I can see two connection strings typically and both works:
4 Answers
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Getting the application's directory from a WPF application
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You can also use the first argument of the command line arguments:
String exePath = System.Environment.GetCommandLineArgs()[0]
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Generate MD5 hash string with T-SQL
Is there a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
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Regex Match all characters between two strings
...?. The first one is greedy and will match till the last "sentence" in your string, the second one is lazy and will match till the next "sentence" in your string.
Update
Regexr
This is(?s)(.*)sentence
Where the (?s) turns on the dotall modifier, making the . matching the newline characters.
Upd...
Cannot instantiate the type List [duplicate]
...way,Java provides us polymorphic behaviour.See the example below:
List<String> list = new ArrayList<String>();
Instead of instantiating an ArrayList directly,I am using a List to refer to ArrayList object so that we are using only the List interface methods and do not care about its a...
How to select/get drop down option in Selenium 2
..."//path_to_drop_Down")).Count();
for(int i = 1; i <= items; i++)
{
string value = driver.FindElement(By.XPath("//path_to_drop_Down/option["+i+"]")).GetAttribute("Value1");
if(value.Conatains("Label_I_am_Looking_for"))
{
driver.FindElement(By.XPath("//path_to_drop_Down/option[...
JavaScript seconds to time string with format hh:mm:ss
...onvert a duration of time, i.e., number of seconds to colon-separated time string (hh:mm:ss)
43 Answers
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