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Explode PHP string by new line
...ts the current system's EOL (End Of Line).
$skuList = explode(PHP_EOL, $_POST['skuList']);
PHP provides a lot of other very useful constants that you can use to make your code system independent, see this link to find useful and system independent directory constants.
Warning
These constants ma...
Command to get time in milliseconds
...
date +%s%N returns the number of seconds + current nanoseconds.
Therefore, echo $(($(date +%s%N)/1000000)) is what you need.
Example:
$ echo $(($(date +%s%N)/1000000))
1535546718115
date +%s returns the number of seconds since the epoch, if that's useful.
...
Sending POST data in Android
... params[0]; // URL to call
String data = params[1]; //data to post
OutputStream out = null;
try {
URL url = new URL(urlString);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
out = new B...
Django DB Settings 'Improperly Configured' Error
...gs module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This is removed in Django 1.6) Use setup_environ in the python interpreter:
from django.core.management import setup_environ
from mysite import settings
setup_environ(settings)
Naturally, the first...
What is an uninterruptible process?
...can potentially involve spinning up a hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
While the process is sleeping in the system call, it can receive a Unix asynchronous signal (say, SIGTERM), then the following happens:
The system c...
C# - How to get Program Files (x86) on Windows 64 bit
...4BitOperatingSystem or Environment.Is64BitProcess?
– osvein
Dec 28 '13 at 19:49
8
@anustart This ...
Run function from the command line
... That's true, but I wouldn't recommend that solution beyond test purposes
– Wolph
Apr 26 '18 at 20:12
@Wolph hey...
How do I update zsh to the latest version?
I recently switched to zsh on my Terminal.app on my OS X machine successfully. The version number of zsh is 4.3.11.
6 Answe...
How to determine CPU and memory consumption from inside a process?
...
Linux
On Linux the choice that seemed obvious at first was to use the POSIX APIs like getrusage() etc. I spent some time trying to get this to work, but never got meaningful values. When I finally checked the kernel sources themselves, I found out that apparently these APIs are not yet completel...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...
...- 特性UUID，通俗来讲它是硬件中某一功能的唯一身份ID
一个硬件UUID示例如下：UUID分为标准UUID和厂商自定义UUID标准UUID：由SIG发布，采用UUID基数 + 16位UUID的形式，如心率服务的UUID是0x180D，使用的UUID基数是：00000000-0000-1000-8000-0...