大约有 30,000 项符合查询结果（耗时：0.0546秒） [XML]
Does every Core Data Relationship have to have an Inverse?
...ta to maintain data
integrity.
-- Cocoa Dev Central
You should typically model
relationships in both directions, and
specify the inverse relationships
appropriately. Core Data uses this
information to ensure the consistency
of the object graph if a change is
made (see “Manipula...
What is the difference between a regular string and a verbatim string?
...koverflow");
without @ you got an error.
In VB14 there is a new feature called Multiline Strings, it's like verbatim strings in C#.
Pro tip: VB string literals are now exactly like C# verbatim strings.
share
...
Different dependencies for different build profiles
...d.
(Emphasis is mine)
Just put the dependency for the release profile inside the profile declaration itself and do the same for debug.
<profiles>
<profile>
<id>debug</id>
…
<dependencies>
<dependency>…</dependency...
How to configure XAMPP to send mail from localhost?
...on] and change
SMTP=smtp.gmail.com
smtp_port=587
sendmail_from = my-gmail-id@gmail.com
sendmail_path = "\"C:\xampp\sendmail\sendmail.exe\" -t"
Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code
[sendmail]
smtp_server=smtp.gmail.com
smtp_po...
KnockOutJS - Multiple ViewModels in a single View
... you bound to the masterVM. You can also use the "with" binding to help avoid the dot syntax when you dive into the sub view models.
– John Papa
Feb 15 '12 at 15:47
1
...
Entity Framework Timeouts
...nd timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity Framework Core 1.0:
this.context.Data...
How do I add a margin between bootstrap columns without wrapping [duplicate]
...s!
HTML
<div class="row info-panel">
<div class="col-md-4" id="server_1">
<div class="server-action-menu">
Server 1
</div>
</div>
</div>
CSS
.server-action-menu {
background-color: transparent;
background-image: linear...
Is it possible to assign numeric value to an enum in Java?
...ExitCode.Unknown //Keep an default or error enum handy
}
}
From calling application
int i = 104;
ExitCode serverExitCode = ExitCode.setValue(i);
//You've valid enum from now
[Unable to comment to his answer, hence posting it separately]
...
How to move a git repository into another directory and make that directory a git repository?
...to other OSes. In fact, it's specific to every OS that is not windows. Try calling microsoft and asking them why they aren't POSIX. Anyway, cp means copy. mv means move. rm means remove. You can find windows equivalents.
– Shahbaz
Dec 13 '15 at 15:39
...
Remove non-numeric characters (except periods and commas) from a string
...PHP has a built in method of doing this using sanitization filters. Specifically, the one to use in this situation is FILTER_SANITIZE_NUMBER_FLOAT with the FILTER_FLAG_ALLOW_FRACTION | FILTER_FLAG_ALLOW_THOUSAND flags. Like so:
$numeric_filtered = filter_var("AR3,373.31", FILTER_SANITIZE_NUMBER_FLO...