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Can a Windows batch file determine its own file name?
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%0 returns the way the file was called. If a full path was used, %0 will have that. If you cd into the dir first and execute the batch from there, %0 will usually not have the path info (but you could get that from %cd% in that case)
– Gogowit...
How can I access an object property named as a variable in php?
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What if simply "echo $object->$property_name" is used without the quotes. Seems to be working, but is it for newer php versions only?
– Lamy
Mar 10 '15 at 14:01
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Is there a way to take a screenshot using Java and save it to some sort of image?
...commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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Easy way to print Perl array? (with a little formatting)
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Or, if you want to be really dirty: {local $,=', ';print @array}.
– musiKk
Apr 21 '11 at 7:57
10
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Adding and removing style attribute from div with jquery
...ltaic_holder").css({"position":"relative", "top":"-75px"});
Remove a specific style:
$("#voltaic_holder").css({"top": ""});
// or
$("#voltaic_holder").css("top", "");
Remove the entire style attribute:
$("#voltaic_holder").removeAttr("style")
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How to construct a timedelta object from a simple string
...+?)s)?')
def parse_time(time_str):
parts = regex.match(time_str)
if not parts:
return
parts = parts.groupdict()
time_params = {}
for (name, param) in parts.iteritems():
if param:
time_params[name] = int(param)
return timedelta(**time_params)
&g...
What is the effect of extern “C” in C++?
...pe information to the name used for linkage.
Just so you know, you can specify extern "C" linkage to each individual declaration/definition explicitly or use a block to group a sequence of declarations/definitions to have a certain linkage:
extern "C" void foo(int);
extern "C"
{
void g(char);
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Should I use an exception specifier in C++?
In C++, you can specify that a function may or may not throw an exception by using an exception specifier. For example:
14 ...
What exactly is metaprogramming?
...Graham championed about a decade ago. I'll have to look up some of his specific essays. But the idea is that the program would change another part of the program based on its state. This allows a level of flexibility to make decisions at runtime that is very difficult in most popular languages today...
How to clear Facebook Sharer cache?
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If you're still having trouble getting it to refresh, try adding a random query string parameter to the end of your URL.
– JD Smith
Jul 24 '14 at 15:40
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