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What is getattr() exactly and how do I use it?
...e methods could have save logic specific to
# the system on which the script is executed
def posix(self): print 'saving on a posix machine'
def nt(self): print 'saving on an nt machine'
def os2(self): print 'saving on an os2 machine'
def ce(self): print 'saving on a ce machine'
...
What actually causes a Stack Overflow error? [duplicate]
... to the heap: it simply signals that there is no more memory available.
Description from Virtual Machine Errors (§6.3)
StackOverflowError: The Java Virtual Machine implementation has run out of stack space for a thread, typically because the thread is doing an unbounded number of recursive inv...
Download a file by jQuery.Ajax
...h is completely right about this, you can't do it through Ajax because JavaScript cannot save files directly to a user's computer (out of security concerns). Unfortunately pointing the main window's URL at your file download means you have little control over what the user experience is when a file ...
How to get file creation & modification date/times in Python?
I have a script that needs to do some stuff based on file creation & modification dates but has to run on Linux & Windows .
...
HTML if image is not found
...cause of that it is showing the alternative image as not found image ( 404.svg ).
<img id="currentPhoto" src="https://www.ccrharrow.org/Images/content/953/741209.pg" onerror="this.src='https://www.unesale.com/ProductImages/Large/notfound.png'" alt="">
...
Custom CSS Scrollbar for Firefox
...uivalent to ::-webkit-scrollbar and friends.
You'll have to stick with JavaScript.
Plenty of people would like this feature, see: https://bugzilla.mozilla.org/show_bug.cgi?id=77790
As far as JavaScript replacements go, you can try:
https://github.com/mdbootstrap/perfect-scrollbar
https://github.co...
How unique is UUID?
...ng UUID would be safe between executions of an application? (e.g. a python script)
– George Sp
Sep 8 '18 at 18:12
How ...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...．．”命令或直接按F11键就可以将LINGO命令脚本（command script）文件提交给系统进程来运行。
11．引入LINGO文件(Import Lingo File．．．)
从文件菜单中选用“Import Lingo File．．．”命令或直接按F12键可以打开一个LINGO格式模型的文件...
What is the difference between JSF, Servlet and JSP?
...s you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression Language, which can be used to a...
Should switch statements always contain a default clause?
...ecial behavior.
You see this a LOT in menu-driven programs and bash shell scripts. You might also see this when a variable is declared outside the switch-case but not initialized, and each case initializes it to something different. Here the default needs to initialize it too so that down the line ...