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...
let label = "The width is "
let width = 94
let widthLabel = label + String(width)
Note
练习
尝试删除最后一行的String转换，你会得到什么错误？
还有更简单的方法来在字符串中包含值：以小括号来写值，并用反斜线("")放在小括号之前...
Where is body in a nodejs http.get response?
...console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' + chunk);
});
});
req.on('error', function(e) {
console.log('problem with request: ' + e.message);
});
// ...
Difference between JSONObject and JSONArray
...ed items
(Which could be JSON objects)
2. Array values must be of type string, number, object, array, boolean or null
3. Syntax:
[ "Ford", "BMW", "Fiat" ]
4. JSON arrays are surrounded by square brackets [].
**Tip to remember** : Here, order of element is important. That mea...
Private setters in Json.Net
...hat has a parameter matching your property:
public class Foo
{
public string Bar { get; }
public Foo(string bar)
{
Bar = bar;
}
}
Now this works:
string json = "{ \"bar\": \"Stack Overflow\" }";
var deserialized = JsonConvert.DeserializeObject<Foo>(json);
Console....
Quick way to create a list of values in C#?
...
Check out C# 3.0's Collection Initializers.
var list = new List<string> { "test1", "test2", "test3" };
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Best cross-browser method to capture CTRL+S with JQuery?
...unction(event) {
if (event.ctrlKey || event.metaKey) {
switch (String.fromCharCode(event.which).toLowerCase()) {
case 's':
event.preventDefault();
alert('ctrl-s');
break;
case 'f':
event.preventDefault();
alert('...
Remove DEFINER clause from MySQL Dumps
...editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the dump (or pipe the output) using perl:
perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql
Pipe the output through sed:
mysqldump ... | sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' > ...
Parsing a JSON string in Ruby
I have a string that I want to parse in Ruby:
8 Answers
8
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How to extract an assembly from the GAC?
There is a package I have to deal with which installs assemblies straight into the GAC (e.g. somewhere deep in %windows%/assembly).
...
How to navigate a few folders up?
...
Other simple way is to do this:
string path = @"C:\Folder1\Folder2\Folder3\Folder4";
string newPath = Path.GetFullPath(Path.Combine(path, @"..\..\"));
Note This goes two levels up. The result would be:
newPath = @"C:\Folder1\Folder2\";
...