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What is Virtual DOM?
...nd what react does it look for the the reference in its object model tree, select the real node in the html and tinker with it. The sound is great virtual dom, but it's nothing fancy and overhype.
– syarul
Feb 15 '17 at 1:07
...
HQL ERROR: Path expected for join
...
select u from UserGroup ug inner join ug.user u
where ug.group_id = :groupId
order by u.lastname
As a named query:
@NamedQuery(
name = "User.findByGroupId",
query =
"SELECT u FROM UserGroup ug " +
"INNER JOIN...
String concatenation does not work in SQLite
...
Try using || in place of +
select locationname || '<p>' from location;
From SQLite documentation:
The || operator is "concatenate" - it joins together the two strings of its operands.
...
How to set warning level in CMake?
...ractive' strategy for warnings, just like clang's -Weverything. Instead of selecting warnings to enable, you enable everything and then select specific warnings to disable.
– bames53
Sep 7 '16 at 16:59
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Is there a jQuery unfocus method?
...fore the window loses focus so that when I come back, the text area is not selected by default. Doesn't seem to work :(
– Alec Smart
May 13 '09 at 10:55
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Ruby Array find_first object?
...; 2
If you wanted to return all values where block returns true then use select
[1,2,3,11,34].select(&:even?) #=> [2, 34]
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How to convert an IPv4 address into a integer in C#?
...actually checks the endianness, here goes:
byte[] ip = address.Split('.').Select(s => Byte.Parse(s)).ToArray();
if (BitConverter.IsLittleEndian) {
Array.Reverse(ip);
}
int num = BitConverter.ToInt32(ip, 0);
and back:
byte[] ip = BitConverter.GetBytes(num);
if (BitConverter.IsLittleEndian) {...
R memory management / cannot allocate vector of size n Mb
...a whole.
To use Readyboost, right click on the drive, go to properties and select 'ReadyBoost' and select 'use this device' radio button and click apply or ok to configure.
How do I use IValidatableObject?
...ustom model binder):
var resultsGroupedByMembers = validationResults
.SelectMany(vr => vr.MemberNames
.Select(mn => new { MemberName = mn ?? "",
Error = vr.ErrorMessage }))
.GroupBy(x => x.MemberName);
foreach (v...
Does MongoDB's $in clause guarantee order
...ocuments are retrieved. That of course will be the natural order or by the selected index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in ...