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What is the Haskell response to Node.js?
...lems that makes special the coding and debugging of web applications comes from what makes them scalable and flexible. The most important, the stateless nature of HTTP. This enhances navigability, but this imposes an inversion of control where the IO element (the web server in this case) call diffe...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...to the versions the distro maintainers have packaged, so I usually install from source. But, that's a pain when managing several versions of Ruby for development, test and production systems, which is why rbenv and RVM were invented -- they handle the dirty detail allowing us to concentrate on progr...
What is the difference between varchar and nvarchar?
... NLS_CHARACTERSET option is set. You may be able to find it with the query SELECT value$ FROM sys.props$ WHERE name = 'NLS_CHARACTERSET'.
If your NLS_CHARACTERSET is a Unicode encoding like UTF8, great. Using VARCHAR and NVARCHAR are pretty much identical. Stop reading now, just go for it. Otherwis...
Android get free size of internal/external memory
...urpose :
public static boolean externalMemoryAvailable() {
return android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
}
public static String getAvailableInternalMemorySize() {
File path = Environment.getDataDirecto...
Ideal way to cancel an executing AsyncTask
...
From docs about onCancelled(): "Runs on the UI thread after cancel(boolean) is invoked and doInBackground(Object[]) has finished." This 'after' means that setting a flag in onCancelled and checking in doInBackground makes no ...
How do I handle the window close event in Tkinter?
...Toplevel widget):
Here you have a concrete example:
import tkinter as tk
from tkinter import messagebox
root = tk.Tk()
def on_closing():
if messagebox.askokcancel("Quit", "Do you want to quit?"):
root.destroy()
root.protocol("WM_DELETE_WINDOW", on_closing)
root.mainloop()
...
Get the current git hash in a Python script
...s a good way of creating a human-presentable "version number" of the code. From the examples in the documentation:
With something like git.git current tree, I get:
[torvalds@g5 git]$ git describe parent
v1.0.4-14-g2414721
i.e. the current head of my "parent" branch is based on v1.0.4, but since it...
How Can I Browse/View The Values Stored in Redis [closed]
...cate)
Value editor
Online configuration
JavaScript API directly accessible from the browser console for light data processing
Lua Editor
Online terminal with auto-completion and inline-documentation
Real-time data-visualization
Full disclosure: I founded Redsmin.
...
Input and Output binary streams using JERSEY?
...enerator class (my own class for creating the PDF) takes the output stream from the write method and writes to that instead of a newly created output stream.
Don't know if it's the best way to do it, but it works.
share
...
js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
...wserLanguage || navigator.language).toLowerCase()
}
if (GetQueryString('from') != 'mobile' && browser.versions.mobile && !browser.versions.iPad) {
window.location.href="https://www.tsingfun.com/index.php?m=wap";
}
</script>
不过有时候还是后端判断直接定位相应模板来得...