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Check whether a string matches a regex in JS
... (can be with jQuery) to do some client-side validation to check whether a string matches the regex:
11 Answers
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Opening a folder in explorer and selecting a file
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Use this method:
Process.Start(String, String)
First argument is an application (explorer.exe), second method argument are arguments of the application you run.
For example:
in CMD:
explorer.exe -p
in C#:
Process.Start("explorer.exe", "-p")
...
Pretty-print a Map in Java
...intingMap(Map<K, V> map) {
this.map = map;
}
public String toString() {
StringBuilder sb = new StringBuilder();
Iterator<Entry<K, V>> iter = map.entrySet().iterator();
while (iter.hasNext()) {
Entry<K, V> entry = iter.next(...
How to sort a HashMap in Java [duplicate]
...if you want to do it once you can sort the values of your HashMap:
Map<String, Person> people = new HashMap<>();
Person jim = new Person("Jim", 25);
Person scott = new Person("Scott", 28);
Person anna = new Person("Anna", 23);
people.put(jim.getName(), jim);
people.put(scott.getName(),...
Best way to format integer as string with leading zeros? [duplicate]
I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt).
What the best way to translate this simple function from PHP to Python:
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How can I get an http response body as a string in Java?
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Every library I can think of returns a stream. You could use IOUtils.toString() from Apache Commons IO to read an InputStream into a String in one method call. E.g.:
URL url = new URL("http://www.example.com/");
URLConnection con = url.openConnection();
InputStream in = con.getInputStream();
St...
c# datatable to csv
... opens fine in Excel, maybe your issue was the trailing comma
.net = 3.5
StringBuilder sb = new StringBuilder();
string[] columnNames = dt.Columns.Cast<DataColumn>().
Select(column => column.ColumnName).
ToArray();
sb.A...
Difference between InvariantCulture and Ordinal string comparison
When comparing two strings in c# for equality, what is the difference between InvariantCulture and Ordinal comparison?
9 An...
Get cookie by name
...=== 2) return parts.pop().split(';').shift();
}
Walkthrough
Splitting a string by token will produce either, an array with one string (same value), in case token does not exist in a string, or an array with two strings , in case token is found in a string .
The first (left) element is string of...
Warning: “format not a string literal and no format arguments”
...r userInfo]);
Or, since you say errorMsgFormat is a format string with a single placeholder, are you trying to do this?
NSLog(@"%@, %@", [NSString stringWithFormat:errorMsgFormat, error],
[error userInfo]);
...