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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...epeat each section of the poster's text, block-quoted, and followed by my response.
What's the preferred syntax, and why? Or are they pretty much interchangeable?
I would say that the $(some_command) form is preferred over the `some_command` form. The second form, using a pair of backquotes (t...
Can I change the height of an image in CSS :before/:after pseudo-elements?
...now the intrinsic dimensions of the image, and it leaves you with some whitespace, which I can't get rid of ATM.
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How to replace case-insensitive literal substrings in Java
...gant perhaps as other approaches but it's pretty solid and easy to follow, esp. for people newer to Java. One thing that gets me about the String class is this: It's been around for a very long time and while it supports a global replace with regexp and a global replace with Strings (via CharSequen...
Forward an invocation of a variadic function in C
...; \
asm volatile ( \
"mov %2, %%esp \n\t" \
"call *%1 \n\t" \
: "=a"(va_wrap_ret) \
: "r" (func), \
"r"(va_wrap_stack) \
: "%ebx", "%ecx", "%edx" \
)...
Comparison of CI Servers? [closed]
...ching for a comparison of different
continuous integration (CI) Servers (esp. focusing
on .NET) and couldn't find any.
13...
Disabling browser caching for all browsers from ASP.NET
...
This is what we use in ASP.NET:
// Stop Caching in IE
Response.Cache.SetCacheability(System.Web.HttpCacheability.NoCache);
// Stop Caching in Firefox
Response.Cache.SetNoStore();
It stops caching in Firefox and IE, but we haven't tried other browsers. The following response he...
Parsing IPv6 extension headers containing unknown extensions
...ermediate proxy modified TCP headers without knowledge of an encapsulating ESP header?) Simplicity beats "extensible" in this case!
– jman
Jul 8 '13 at 4:08
...
What are some common uses for Python decorators? [closed]
... Possibly justified, but decorators are inherently confusing, esp. to first-year noobs who come behind you and try to mod your code. Avoid this with simplicity: just have do_something() enclose its code in a block under 'with lock:' and everyone can clearly see your purpose. Decorato...
Is it bad practice to make a setter return “this”?
... lots of nulls or default values, and it gets hard to know which value corresponds to what)
Several overloaded constructors (downside: gets unwieldy once you have more than a few)
Factory/static methods (downside: same as overloaded constructors - gets unwieldy once there is more than a few)
If yo...
HTTP GET request in JavaScript?
...alse for synchronous request
xmlHttp.send( null );
return xmlHttp.responseText;
}
However, synchronous requests are discouraged and will generate a warning along the lines of:
Note: Starting with Gecko 30.0 (Firefox 30.0 / Thunderbird 30.0 / SeaMonkey 2.27), synchronous requests on the...