大约有 40,000 项符合查询结果（耗时：0.0461秒） [XML]
Are delphi variables initialized with a value by default?
...lse, nil or whatever applies.
Global variables are always initialized to 0 etc as well;
Local reference-counted* variables are always initialized to nil or '';
Local non reference-counted* variables are uninitialized so you have to assign a value before you can use them.
I remember that Barry Kel...
What is the best practice for dealing with passwords in git repositories?
... share it with a bigger team of even with automatic tools (for deployment, etc)
– blueFast
May 23 '16 at 10:53
2
...
Why switch is faster than if
...tiguous (or mostly contiguous with no large gaps) (case 0: case 1: case 2, etc.), then TableSwitch is used.
If the offsets are spread out with large gaps (case 0: case 400: case 93748:, etc.), then LookupSwitch is used.
The difference, in short, is that TableSwitch is done in constant time because...
How do I look inside a Python object?
...veniences, like tab completion, pretty printing of results, result history etc. that make it very handy for this sort of exploratory programming.
For more programmatic use of introspection, the basic builtins like dir(), vars(), getattr etc will be useful, but it is well worth your time to check ou...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...one of many. Some teams would do bug fix/maintenance releases as 1.1, 1.2, etc., and major changes as 1.x, 2.x, etc. The usage here is the same, but you may name the branch "1" or "1.x" instead of "1.0" or "1.0.x". (Aside, semantic versioning is a good guide on how to do version numbers).
...
How do you use vim's quickfix feature?
...own, [<Space> and ]<Space> insert blank lines above and below, etc. I was surprised nobody mentioned it here before; that's probably because it didn't exist until January 2010, though the question was asked in 2009.
...
Render partial from different folder (not shared)
...the context of a different controller for action name lookup, view lookup, etc. To implement this, I created a new extension method for HtmlHelper:
public static IDisposable ControllerContextRegion(
this HtmlHelper html,
string controllerName)
{
return new ControllerContextRegion(html....
How do I use jQuery's form.serialize but exclude empty fields
...all :input element types have value attributes even selects and checkboxes etc.
Finally to also remove inputs where the value was '.' (as mentioned in the question):
$("#myForm :input[value!=''][value!='.']").serialize()
In this case juxtaposition, ie placing two attribute selectors next to each...
Windows service on Local Computer started and then stopped error
... when there's something wrong with my code, like non-existing drive paths, etc. The windows service will not start.
11 Answ...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... if we'd say January Five, January Sixth, instead of January 5, January 6, etc., then perhaps they'd have made a 0-based enumeration for days too...
Perhaps subconsciously they thought about an enumeration for months as {January, February, ...} and for days as {One, Two, Three, ...}, except for day...