大约有 47,000 项符合查询结果（耗时：0.0420秒） [XML]
Mimicking sets in JavaScript?
...or somethings called ES 2015 has a built-in Set object. It is implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser availability.
One advantage of the built-in Set objec...
How to build a jar using maven, ignoring test results? [duplicate]
...
Anyone know why "-Dmaven.test.error.ignore=true" is not being used anymore? I finding the need to not ignore actual failures, but ignore errors (which may not actually cause the test to "fail") in some cases. Is there any way to di...
Eclipse error: 'Failed to create the Java Virtual Machine'
... any other text-editor application, Find the line -Xmx256m (or -Xmx1024m). Now change the default value 256m (or 1024m) to 512m. You also need to give the exact java installed version (1.6 or 1.7 or other).
Like This:
-Xmx512m
-Dosgi.requiredJavaVersion=1.6
OR
-Xmx512m
-Dosgi.requiredJavaVers...
When is it better to use String.Format vs string concatenation?
...
I know I know. It was made in jest (have read the link btw before, which was a good read)
– nawfal
May 12 '13 at 11:24
...
Should I call Close() or Dispose() for stream objects?
...of these classes. They've also defined a public method called Close() . Now that confuses me, as to what should I call once I'm done with objects? What if I call both?
...
How to check status of PostgreSQL server Mac OS X
...o get them to take effect, remember to source it like so:
$ . ~/.bashrc
Now, try it and you should get something like this:
$ show-pg-status
pg_ctl: server is running (PID: 11030)
/usr/local/Cellar/postgresql/9.2.4/bin/postgres
...
how to implement a pop up dialog box in iOS
...isplay a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this?
...
Add a reference column migration in Rails 4
...
Now, if you use the special generator syntax for migrations, Rails 4.2 will automatically create the correct migration with foreign key constraints included. rails g migration AddUserToUploads user:references produces add_ref...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...s (also rows). In other words, Car → Wheel is a 1-to-many relationship.
Now, let's say you need to iterate through all the cars, and for each one, print out a list of the wheels. The naive O/R implementation would do the following:
SELECT * FROM Cars;
And then for each Car:
SELECT * FROM Wheel W...
Play audio from a stream using C#
...
The NAudio library is now shipping with an example application called Mp3StreamingDemo which should provide everything one will need to live stream an MP3 from the network.
– Martin
Nov 19 '13 at 7:35
...