大约有 46,000 项符合查询结果(耗时:0.0514秒) [XML]
Is there a VB.NET equivalent for C#'s '??' operator?
...eturns></returns>
''' <remarks>Usage
''' Dim val as String = "MyVal"
''' Dim result as String = val.Coalesce(String.Empty)
''' *** returns "MyVal"
'''
''' val = Nothing
''' result = val.Coalesce(String.Empty, "MyVal", "YourVal")
''' *** returns String.E...
top -c command in linux to filter processes listed based on processname
... pgrep to get pid's of matching command lines:
top -c -p $(pgrep -d',' -f string_to_match_in_cmd_line)
top -p expects a comma separated list of pids so we use -d',' in pgrep. The -f flag in pgrep makes it match the command line instead of program name.
...
Dynamically load JS inside JS [duplicate]
...ersion used to create this:
class cScriptLoader {
private m_js_files: string[];
private m_css_files: string[];
private m_head:HTMLHeadElement;
private log = (t:any) =>
{
console.log("ScriptLoader: " + t);
}
constructor(files: string[]) {
this.m_js_f...
When to use LinkedList over ArrayList in Java?
...wo additional pointers and each node is a separate wrapper object with the extra overhead bytes that go with them).
– Kevin Brock
Mar 23 '10 at 0:46
43
...
Where does Console.WriteLine go in ASP.NET?
...
One more little hint; if you are printing a formatted string, use Debug.Print instead of Debug.WriteLine to avoid an argument conflict (see social.msdn.microsoft.com/Forums/ar/Vsexpressvcs/thread/…).
– Nicholas Riley
Jan 9 '12 at 20:02
...
Mongoose query where value is not null
...r query to the profiles document, something like this:
const exclude: string = '-_id -created_at -gallery -wallet -MaxRequestersPerBooking -active -__v';
// Get the _ids of users with the role equal to role.
await User.find({role: role}, {_id: 1, role: 1, name: 1}, function(err, docs) {...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
... "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
...
Deserialize JSON to ArrayList using Jackson
...ixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this:
...
How to send an email from JavaScript
...
I would go one step further and do window.open( String( 'mailto:recipient^example.com' ).replace('^', '@') ); to confuse spam bots
– Pavel Lebedeff
Nov 22 '17 at 14:52
...
Python equivalent for PHP's implode?
...
Use the strings join-method.
print ' '.join(['word1', 'word2', 'word3'])
You can join any iterable (not only the list used here) and of course you can use any string (not only ' ') as the delimiter.
If you want a random order lik...
