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What is a race condition?
... thread changed x in between the check and act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would typically put a lock around the shared data to ensure only one thread can access the data at a time. This would mean something like this:
// Obtain lock fo...
Share data between AngularJS controllers
...g solution to this problem please press the link below
https://codepen.io/wins/pen/bmoYLr
.html file:
<!DOCTYPE html>
<html>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
<body ng-app="myApp">
<div ng-controller="...
How to create a WPF Window without a border that can be resized via a grip only?
If you set ResizeMode="CanResizeWithGrip" on a WPF Window then a resize grip is shown in the lower right corner, as below:
...
Suppress command line output
... reserved names, but the basic convention was very well established.
When Windows was created, it started life as a fairly thin application switching layer on top of the MSDOS kernel, and thus had the same file name restrictions. When Windows NT was created as a true operating system in its own rig...
MongoDB vs. Cassandra [closed]
...han you would in your present database. This would be the most significant win for Mongo.
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How to update a plot in matplotlib?
I'm having issues with redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
...
Suppress warning CS1998: This async method lacks 'await'
...int result = ...;
return Task.FromResult(result);
}
In the case of throwing NotImplementedException, the procedure is a bit more wordy:
public Task<int> Fail() // note: no "async"
{
var tcs = new TaskCompletionSource<int>();
tcs.SetException(new NotImplementedException());
ret...
Why do some claim that Java's implementation of generics is bad?
...ut the downsides of that are huge, and permanent. There's a big short term win, and a long term loss IMO.
– Jon Skeet
Feb 7 '09 at 16:32
11
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Surrogate vs. natural/business keys [closed]
...JECT'
and k.task_code = 'BUILD';
Unless anyone seriously thinks the following is a good idea?:
select sum(t.hours)
from timesheets t
where t.dept_id = 34394
and t.status_id = 89
and t.project_id = 1253
and t.task_id = 77;
"But" someone will say, "what happens when the code for MYPROJECT or ...
How to Query an NTP Server using C#?
...uture reference :
public static DateTime GetNetworkTime()
{
//default Windows time server
const string ntpServer = "time.windows.com";
// NTP message size - 16 bytes of the digest (RFC 2030)
var ntpData = new byte[48];
//Setting the Leap Indicator, Version Number and Mode valu...