I need to test whether double is an integer. Basically this is an example of the rule:
> 5.0>true
> 5.2>false< /p> In order to do this, I do an if (result mod 1) = 0 and see if it returns tru
Tag: Double
Object-oriented: reflection, double lower method
One. Reflection The concept of reflection was first proposed by Smith in 1982, and it mainly means that the program can access, detect and modify its own state Or an ability of behavior (introspect
Authenticate dual thermal backup system with HeartBeat + Monit
First, use background
The project needs to realize the function of automatic switchover between main and standby dual heat to ensure that the system runs continuously 7*24 hours; now there is
Performance – Maven builds 3 times in OSX
I recently had a new Macbook Pro working and noticed that it takes about 15 minutes to build our code base in Maven2, while others in my team use slightly older The Macbook (but similar/same specif
BTCD SIMNET (AG Interface, BBIN Interface, MG Interface Simulation Environment) Single Node and Dual Node Run
In this article, I will introduce the AG interface, BBIN interface, and MG interface. Interested parties can add QQ2952777280 btcd startup and operation methods in the simnet simulation environment
Visual-Studio – Ide placement on the double display
Are you using (coding/debugging) IDE placement (output, error, thread, monitoring, etc.) in Visual Studio on dual monitors? Slightly off topic, I sit in front of 5 monitors, two for each machine
In addition to the dual UPS PS system, the advantage of RAID BBU
Today, I roughly measured the benefits of enabling write-back on the RAID controller on the server at work. It does not have a RAID battery backup unit (BBU), so write caching is currently disabled
SurfaceView double buffer test
This is a small test before the dirty rectangle drawing research of SurfaceView.
Android SurfaceView mainly updates the view in the worker thread, using a double buffering mechanism.
Be
Questions about dual network card SFTP transmission cannot connect to the server
You can set the priority of the network card as follows, set the No. 1 network card connected to the A network to 1, and the No. 2 network card of the B network to 2. The interface is as follows:
CNETOS NIC Bind Eth0 + Eth1 Do dual NIC Bind to BOND0
1. Network card binding: eth0+eth1 do dual network card binding to bond0
Second, network configuration network card binding
1, /etc/sysconfig/network Create an ifcfg-bond0 file in the -script