大约有 22,000 项符合查询结果(耗时:0.0359秒) [XML]
Count number of matches of a regex in Javascript
...r a generic way to count the number of occurrences of a regex pattern in a string, and don't want it to fail if there are zero occurrences, this code is what you need. Here's a demonstration:
/*
* Example
*/
const count = (str) => {
const re = /[a-z]{3}/g
return ((str || '').ma...
Python Unicode Encode Error
...ecause theres some foreign Unicode characters. Try to encode your unicode string as ascii first:
unicodeData.encode('ascii', 'ignore')
the 'ignore' part will tell it to just skip those characters. From the python docs:
>>> u = unichr(40960) + u'abcd' + unichr(1972)
>>> u.enco...
Java - escape string to prevent SQL injection
...in java and am finding it very difficult to work with the the "replaceAll" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is evaluated by MySQL SQL injections will be blocked.
...
Deleting Row in SQLite in Android
...like this:
//---deletes a particular title---
public boolean deleteTitle(String name)
{
return db.delete(DATABASE_TABLE, KEY_NAME + "=" + name, null) > 0;
}
or
public boolean deleteTitle(String name)
{
return db.delete(DATABASE_TABLE, KEY_NAME + "=?", new String[]{name}) > 0;
}
...
How to describe “object” arguments in jsdoc?
... with a known set of properties (Variant A)
/**
* @param {{a: number, b: string, c}} myObj description
*/
This syntax is ideal for objects that are used only as parameters for this function and don't require further description of each property.
It can be used for @returns as well.
For objects...
Java; String replace (using regular expressions)?
As part of a project for school, I need to replace a string from the form:
12 Answers
...
JavaScriptSerializer - JSON serialization of enum as string
...json result contains the integer value of the enumeration rather than its string "name". Is there a way to get the enum as a string in my json without having to create a custom JavaScriptConverter ? Perhaps there's an attribute that I could decorate the enum definition, or object property, ...
JSON datetime between Python and JavaScript
...e this functionality... so you should make sure to append that info on the string before returning
– Nick Franceschina
Aug 24 '10 at 0:27
3
...
How to open the default webbrowser using java
...en browser from java code:
Windows:
Runtime rt = Runtime.getRuntime();
String url = "http://stackoverflow.com";
rt.exec("rundll32 url.dll,FileProtocolHandler " + url);
Mac
Runtime rt = Runtime.getRuntime();
String url = "http://stackoverflow.com";
rt.exec("open " + url);
Linux:
Runtime rt ...
How to retrieve the first word of the output of a command in bash?
...
It should be "leading" whitespace (at the begin of the string), not "trailing".
– user202729
Oct 28 '18 at 13:42
...