大约有 40,000 项符合查询结果（耗时：0.0579秒） [XML]
Select values from XML field in SQL Server 2008
...irst XML record. And it refers to some [myTable] table... where did that come from ?!
– Mike Gledhill
Sep 8 '16 at 9:05
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Rails extending ActiveRecord::Base
...me and effort saved is always extracted back
sometime in the future; with compound interest. These days I limit monkey patching to quickly prototype a solution in the rails console.
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
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I would recommend to debug and find which constraint is "the one you don't want". Suppose you have following issue:
Always the problem is how to find following Constraints and Views.
There are two solutions how to do this:
DEBUG ...
Dynamic LINQ OrderBy on IEnumerable / IQueryable
...he dynamic LINQ library, you just need the code as below. This covers most common scenarios including nested properties.
To get it working with IEnumerable<T> you could add some wrapper methods that go via AsQueryable - but the code below is the core Expression logic needed.
public static IO...
Python Git Module experiences? [closed]
...mentioning for searchers that GitPython does a good job of abstracting the command line tools so that you don't need to use subprocess. There are some useful built in abstractions that you can use, but for everything else you can do things like:
import git
repo = git.Repo( '/home/me/repodir' )
prin...
How do I wait for an asynchronously dispatched block to finish?
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That’s probably because your completion block is dispatched to the main queue? The queue is blocked waiting for the semaphore and therefore never executes the block. See this question about dispatching on the main queue without blocking.
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How can I pass arguments to a batch file?
...ean "all". For example:
echo off
set arg1=%1
set arg2=%2
shift
shift
fake-command /u %arg1% /p %arg2% %*
When you run:
test-command admin password foo bar
the above batch file will run:
fake-command /u admin /p password admin password foo bar
I may have the syntax slightly wrong, but this i...
How to make a Java thread wait for another thread's output?
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I would really recommend that you go through a tutorial like Sun's Java Concurrency before you commence in the magical world of multithreading.
There are also a number of good books out (google for "Concurrent Programming in Java", "Java Con...
Changing Locale within the app itself
...in 2 different languages (especially in Dialogs). More info: stackoverflow.com/questions/39705739/…
– Mr-IDE
Jul 21 '17 at 10:11
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What is the cleanest way to get the progress of JQuery ajax request?
...oad.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
//Do something with upload progress here
}
}, false);
xhr.addEventListener("progress", function(evt) {
...