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Use of Initializers vs Constructors in Java
...hen the class is loaded, then a static initializer is the way to go, especially as it allows you to do a complex initialization and still have the static variable be final. This is a big win.
I find "if (someStaticVar == null) // do stuff" to be messy and error prone. If it is initialized statica...
Parallel.ForEach vs Task.Factory.StartNew
...
The first is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a...
FAT32系统中长文件名的存储 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)。
(4)、如果存在老OS或程序无法读取的字符，换以"_"
短文件格式的目录项。其参数意义见表14：
表14 FAT32短文件目录项32个字节的表示定义
字节偏移(16进制)
字节数
定义
0x0~0x7
8
文件名
0x8~0xA...
Execute Python script via crontab
...p/crontab.JTQ0My/crontab":22: bad minute errors in crontab file, can't install. Do you want to retry the same edit? (y/n)" if I type "y", I've returned to file edit. And if I type "n" the file is not saved. I add this line at last line of the file: "/1 * * * * /usr/bin/python script.py"
...
How to stop a JavaScript for loop?
...try.size === remData.size;
});
Array#findIndex stops the first time the callback returns a truthy value, returning the index for that call to the callback; it returns -1 if the callback never returns a truthy value. Array#find also stops when it finds what you're looking for, but it returns the en...
What's the difference between setWebViewClient vs. setWebChromeClient?
...
From the source code:
// Instance of WebViewClient that is the client callback.
private volatile WebViewClient mWebViewClient;
// Instance of WebChromeClient for handling all chrome functions.
private volatile WebChromeClient mWebChromeClient;
// SOME OTHER SUTFFF.......
/**
* Set the WebView...
Javascript event handler with parameters
...ements[i]));
It is also possible to use .bind() to add arguments to a callback. Any arguments you pass to .bind() will be prepended to the arguments that the callback itself will have. So, you could do this:
elem.addEventListener('click', function(a1, a2, e) {
// inside the event handler,...
How to write one new line in Bitbucket markdown?
...
I'd never do this because all text files should have stripped whitespace everywhere (except the trailing newline). Using meaningful space in this way is too implicit.
– AndiDog
Sep 4 '17 at 20:24
...
How do you get centered content using Twitter Bootstrap?
...ast I looked, the text-align: center is not default on those classes. Typically the default is going to be left alignment.
– ScottS
Sep 7 '12 at 22:27
...
How to send only one UDP packet with netcat?
...ght as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" aliases....