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Are custom elements valid HTML5?
...ard is beginning to land in browsers now: dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/…
– csuwldcat
Jun 1 '13 at 14:02
1
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Get the IP address of the machine
...clude <stdlib.h>
int main() {
setenv("LANG","C",1);
FILE * fp = popen("ifconfig", "r");
if (fp) {
char *p=NULL, *e; size_t n;
while ((getline(&p, &n, fp) > 0) && p) {
if (p = strstr(p, "inet ")) {
...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
...and I rarely have to restart the server unless I have changed a Spring XML file somewhere.
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What's the difference between interface and @interface in java?
...e your own (custom) Java annotations. Annotations are defined in their own file, just like a Java class or interface. Here is custom Java annotation example:
@interface MyAnnotation {
String value();
String name();
int age();
String[] newNames();
}
This example defines...
How To Check If A Key in **kwargs Exists?
... - set(args.keys())
if diff:
print("Invalid args:",tuple(diff),file=sys.stderr)
return
args.update(kwargs)
print(args)
The defaults are set in the dictionary args, which includes all the keys we are expecting. We first check to see if there are any unexpec...
How many constructor arguments is too many?
...
Sometimes it is simply not possible. Consider an Excel file with 50 columns that need to be processed. The idea of MyExcelFileLine class having a constructor with 50 arguments is quite scary.
– anar khalilov
Mar 28 '16 at 13:07
...
Bare asterisk in function arguments?
...return a + b
...
>>> f(1, 2)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: f() takes 1 positional argument but 2 were given
>>> f(1, b=2)
3
Pragmatically, it means you have to call the function with a keyword argument. It's usuall...
Coding in Other (Spoken) Languages
...alized, but luckily it's stored in one canonical language (English) in the file, so the localization is just a layer on top of the normal thing. Such things only make sense for small "programs", for "real" programs it becomes hard to maintain.
...
What is a git topic branch?
... another kind of branch which is essentially a completely separate tree of files in the same repository. For example, the Git repository itself contains heads named man and html that contain entirely different content from the master branch. I don't know what these types of branches are usually call...
How does Django's Meta class work?
...rt MyModel >>>MyModel.Meta Traceback (most recent call last): File "<console>", line 1, in <module> AttributeError: type object 'MyModel' has no attribute 'meta'
– bdf
Dec 11 '15 at 17:58
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