大约有 43,000 项符合查询结果(耗时:0.0658秒) [XML]
How do I check if a property exists on a dynamic anonymous type in c#?
... Great solution. I needed to add one more IF statement when converting JSON string into JObject...."if (obj is Newtonsoft.Json.Linq.JObject) return ((Newtonsoft.Json.Linq.JObject)obj).ContainsKey(name);"
– rr789
Jul 3 '19 at 23:09
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Should a function have only one return statement?
... Agreed. Although having multiple exit point can get out of hand, I definately think it's better than putting your entire function in an IF block. Use return as often as it makes sense to keep your code readable.
– Joshua Carmody
Sep 19 '08 at 20:...
Repeat Character N Times
... 'use strict';
if (this == null) {
throw new TypeError('can\'t convert ' + this + ' to object');
}
var str = '' + this;
count = +count;
if (count != count) {
count = 0;
}
if (count < 0) {
throw new RangeError('repeat count must be non-negative');
...
How to hide only the Close (x) button?
I have a modal dialog, and need to hide the Close (X) button, but I cannot use
ControlBox = false , because I need to keep the Minimize and Maximize buttons.
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Add spaces before Capital Letters
... work fine (I even voted up Martin Browns answer), but they are expensive (and personally I find any pattern longer than a couple of characters prohibitively obtuse)
This function
string AddSpacesToSentence(string text, bool preserveAcronyms)
{
if (string.IsNullOrWhiteSpace(text))
...
Get keys from HashMap in Java
...out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one item in your HashMap, you're good, but if you have more than that, it's best to loop over the map...
Removing leading zeroes from a field in a SQL statement
...olution - first replace spaces with char that is unlikely to get in input, and after 0-ltrim, restore back these chars to spaces after. In the end looks quite complex :( Example: select replace(replace(ltrim(replace(replace('000309933200,00 USD', ' ', '|'),'0',' ')),' ','0'), '|', ' ') --> 30993...
Cloning an Object in Node.js
... @ShadowWizard these are different methods. This one simply converts to json and back to object, while linked answer uses Object.keys() to iterate through object
– mente
Oct 16 '13 at 11:21
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Jackson with JSON: Unrecognized field, not marked as ignorable
I need to convert a certain JSON string to a Java object. I am using Jackson for JSON handling. I have no control over the input JSON (I read from a web service). This is my input JSON:
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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@Brandon second example should convert the class to string.<br/>["Hash", "Array"].include?(@some_var.class.to_s) #=> check both through instance class
– OBCENEIKON
Jun 5 '15 at 16:27
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