大约有 47,000 项符合查询结果(耗时:0.0663秒) [XML]
JQuery string contains check [duplicate]
I need to check whether a string contains another string or not?
5 Answers
5
...
Convert System.Drawing.Color to RGB and Hex Value
... Color is a struct and R, G, and B are bytes, so c can't be null and c.R.ToString(), c.G.ToString(), and c.B.ToString() can't actually fail (the only way I can see them failing is with a NullReferenceException, and none of them can actually be null).
You could clean the whole thing up using the fol...
How do I check if string contains substring? [duplicate]
...
if (~str.indexOf("Yes"))
This works because indexOf() returns -1 if the string wasn't found at all.
Note that this is case-sensitive.
If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
Or:
if (/yes/i.test(str))
...
How can I format a nullable DateTime with ToString()?
How can I convert the nullable DateTime dt2 to a formatted string?
20 Answers
20
...
The Guava library: What are its most useful and/or hidden features? [closed]
...ially used it for collections shorthands. For example, instead of:
Map<String, Map<Long, List<String>>> map = new HashMap<String, Map<Long, List<String>>>();
you can do this:
Map<String, Map<Long, List<String>>> map = Maps.newHashMap();
It'...
Difference between Covariance & Contra-variance
...rable<out T>, Func<out T>
You can convert from IEnumerable<string> to IEnumerable<object>, or Func<string> to Func<object>. Values only come out from these objects.
It works because if you're only taking values out of the API, and it's going to return something ...
C libcurl get output into a string
...URLOPT_WRITEDATA, p)
Here's a snippet of code that passes a buffer struct string {*ptr; len} to the callback function and grows that buffer on each call using realloc().
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
struct string {
cha...
How to specify maven's distributionManagement organisation wide?
...s to create a simple parent pom file project (with packaging 'pom') generically for all projects from your organization.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...
Here is a fairly concise way to do this:
static readonly string[] SizeSuffixes =
{ "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
static string SizeSuffix(Int64 value, int decimalPlaces = 1)
{
if (decimalPlaces < 0) { throw new ArgumentOutOfRa...
