大约有 47,000 项符合查询结果（耗时：0.0545秒） [XML]
C# List of objects, how do I get the sum of a property
...
Another alternative:
myPlanetsList.Select(i => i.Moons).Sum();
share
|
improve this answer
|
follow
|
...
Free XML Formatting tool [closed]
...
Another method to reindent XML in Notepad++:
From menu select Plugins -> XML Tools -> Pretty print (XML only – with line breaks)
or press Ctrl+Alt+Shift+B.
share
|
improv...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
..... faced this issue..... did Following steps 1. gem uninstall mysql2 > selected option 3 2. gem install mysql2 3. added this to gemfile of project ---> gem 'mysql2', '~> 0.3.21' 4. bundle install
– Udit Kapahi
Jun 23 '16 at 9:53
...
How to break out of nested loops?
...e hit for this question, it would be nice if the general solution had been selected. Well people are used to checking out the #2 anyway.
– BeeOnRope
Nov 4 '16 at 23:30
1
...
Sending a mail from a linux shell script
...install/configure and you're on Ubuntu: sudo apt-get install mailutils and select Internet site: Mail is sent and received directly using SMTP..
– user1717828
Dec 15 '17 at 17:48
...
How do I add 1 day to an NSDate?
...
Much better solution than the selected answer
– Justin Meiners
Jul 9 '12 at 16:54
19
...
How to hide reference counts in VS2013?
...s / Environment / Fonts and Colours.
In the "Show Settings For" drop-down, select "CodeLens"
Choose the smallest font you can find e.g. Calibri 6.
Change the foreground colour to your editor foreground colour (say "White")
Click OK.
...
How to force garbage collector to run?
...et Framework does this automatically but just in case.
First, make sure to select what you want to erase, and then call the garbage collector:
randomClass object1 = new randomClass
...
...
// Give a null value to the code you want to delete
object1 = null;
// Then call the garbage collector to eras...
Easiest way to copy a single file from host to Vagrant guest?
...the port should be taken from the UI of the Oracle VM VirtualBox Manager - select vm on the left , settings , network , port forwarding
– Yordan Georgiev
May 9 '15 at 6:59
1
...
Can I find out the return value before returning while debugging in Eclipse?
...
Found a really good shortcut for this.
Select the expression which returns the value and press
Ctrl + Shift + D
This will display the value of the return statement. This is really helpful in cases where you can't or don't want to change just for debugging purp...