大约有 22,000 项符合查询结果（耗时：0.0693秒） [XML]
Determine if a String is an Integer in Java [duplicate]
I'm trying to determine if a particular item in an Array of strings is an integer or not.
9 Answers
...
Index (zero based) must be greater than or equal to zero
...
Your second String.Format uses {2} as a placeholder but you're only passing in one argument, so you should use {0} instead.
Change this:
String.Format("{2}", reader.GetString(0));
To this:
String.Format("{0}", reader.GetString(2));
...
How can I String.Format a TimeSpan object with a custom format in .NET?
What is the recommended way of formatting TimeSpan objects into a string with a custom format?
19 Answers
...
String isNullOrEmpty in Java? [duplicate]
...ries (including apache/google/...), a static isNullOrEmpty() method for Strings ?
10 Answers
...
Android Shared preferences for creating one time activity (example) [closed]
...
Setting values in Preference:
// MY_PREFS_NAME - a static String variable like:
//public static final String MY_PREFS_NAME = "MyPrefsFile";
SharedPreferences.Editor editor = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE).edit();
editor.putString("name", "Elena");
editor.putInt...
Remove characters except digits from string using Python?
How can I remove all characters except numbers from string?
15 Answers
15
...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...ique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string.
...
Including an anchor tag in an ASP.NET MVC Html.ActionLink
... object with a custom method which includes a simple way to add a fragment string.
– LorenzCK
Feb 3 '12 at 14:03
add a comment
|
...
How can I strip HTML tags from a string in ASP.NET?
Using ASP.NET, how can I strip the HTML tags from a given string reliably (i.e. not using regex)? I am looking for something like PHP's strip_tags .
...
Regular expression to match numbers with or without commas and decimals in text
...t by giving everybody what they Googled for:
#ALL THESE REQUIRE THE WHOLE STRING TO BE A NUMBER
#For numbers embedded in sentences, see discussion below
#### NUMBERS AND DECIMALS ONLY ####
#No commas allowed
#Pass: (1000.0), (001), (.001)
#Fail: (1,000.0)
^\d*\.?\d+$
#No commas allowed
#Can't sta...