大约有 44,000 项符合查询结果（耗时：0.0901秒） [XML]
Entity Framework Code First - Advantages and disadvantages of Fluent Api vs Data Annotations [closed
...can see):
Switch off cascading deletes:
.WillCascadeOnDelete(false)
Specify foreign key column name in the database when the key isn't exposed in your object model:
.Map(conf => conf.MapKey("MyForeignKeyID"))
Fine granular tuning of relationships, especially in all cases where only one side o...
How to run an application as “run as administrator” from the command prompt? [closed]
...w a gasket. Like any power command, it is both useful and necessary in specific contexts.
– b1nary.atr0phy
Jul 19 '16 at 10:58
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Undo git pull, how to bring repos to old state
...f master, master@{"5 minutes ago"}, or master@{14:30}. Full details on specifying revisions in this way can be found in man git-rev-parse, in the section called "specifying revisions".
– Cascabel
Aug 3 '09 at 17:16
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What does ~~ (“double tilde”) do in Javascript?
..., and the result is a number.
In other words, it yields:
function(x) {
if(x < 0) return Math.ceil(x);
else return Math.floor(x);
}
only if x is between -(231) and 231 - 1. Otherwise, overflow will occur and the number will "wrap around".
This may be considered useful to convert a functio...
Ruby on Rails console is hanging when loading
...undle install and try again.
# gem 'spring'
And then:
bundle install
If your work depends on the gem, try update the gems by:
bundle update
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SQL Server indexes - ascending or descending, what difference does it make?
...r number of columns in MS SQL Server (I'm using version 2005), you can specify that the index on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be just as fast either way? What differen...
How to compare strings ignoring the case
...
You're looking for casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.casecmp(str2) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compare for equality.
...
How can I perform a str_replace in JavaScript, replacing text in JavaScript?
...
Using regex for string replacement is significantly slower than using a string replace.
As demonstrated on JSPerf, you can have different levels of efficiency for creating a regex, but all of them are significantly slower than a simple string replace. The regex is sl...
How to break/exit from a each() function in JQuery? [duplicate]
...y return false; to break:
$(xml).find("strengths").each(function() {
if (iWantToBreak)
return false;
});
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See all breakpoints in Visual Studio 2010+
...
Default Shortcuts:
To open the break point window:
Ctrl+D, B
If you wanted to delete all breakpoints:
Ctrl+F9
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