大约有 15,000 项符合查询结果(耗时:0.0392秒) [XML]
Line continuation for list comprehensions or generator expressions in python
...so you can pretty much do as you please. I'd personally prefer
[something_that_is_pretty_long
for something_that_is_pretty_long
in somethings_that_are_pretty_long]
The reason why \ isn't appreciated very much is that it appears at the end of a line, where it either doesn't stand out or needs...
Why does one use dependency injection?
...ime.Now; }}
}
public class OfferWeasel
{
private readonly IGotTheTime _time;
public OfferWeasel(IGotTheTime time)
{
_time = time;
}
public Offer Create(Formdata formdata)
{
var offer = new Offer();
offer.LastUpdated = _time.Now;
return offer...
Eclipse Workspaces: What for and why?
...and group the projects' sub-projects inside of it:
/projects/proj1/subproj1_1
/projects/proj1/subproj1_2
/projects/proj2/subproj2_1
Create a separate folder for your workspaces:
/eclipse-workspaces
Create workspaces for your projects:
/eclipse-workspaces/proj1
/eclipse-workspaces/proj2
...
Hidden Features of Java
...
JDK 1.6_07+ contains an app called VisualVM (bin/jvisualvm.exe) that is a nice GUI on top of many of the tools. It seems more comprehensive than JConsole.
...
Disable spell-checking on HTML textfields
...nt browsers and elements: developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/…
– Paul
Jan 31 '17 at 17:39
2
...
Trigger a button click with JavaScript on the Enter key in a text box
...
In jQuery, the following would work:
$("#id_of_textbox").keyup(function(event) {
if (event.keyCode === 13) {
$("#id_of_button").click();
}
});
$("#pw").keyup(function(event) {
if (event.keyCode === 13) {
$("#myButton").click();
...
Alter Table Add Column Syntax
...c NOT NULL IDENTITY (1, 1)
ALTER TABLE Employees ADD CONSTRAINT
PK_Employees PRIMARY KEY CLUSTERED
(
EmployeeID
) WITH( STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF,
ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
...
What is the best method of handling currency/money?
...igits
# scale is the number of digits to the right of the decimal point
add_column :items, :price, :decimal, :precision => 8, :scale => 2
In Rails, the :decimal type is returned as BigDecimal, which is great for price calculation.
If you insist on using integers, you will have to manually c...
Inline instantiation of a constant List
...n List<T>.
private static readonly ReadOnlyCollection<string> _metrics =
new ReadOnlyCollection<string>(new[]
{
SourceFile.LOC,
SourceFile.MCCABE,
SourceFile.NOM,
SourceFile.NOA,
SourceFile.FANOUT,
...
Virtual member call in a constructor
...r object initializers...)
public class MyClass
{
private IDependency _myDependency;
public MyClass(IDependency someValue = null)
{
_myDependency = someValue ?? GetDependency();
}
// If this were static, it could not be overridden
// as static methods cannot be vir...
