大约有 44,000 项符合查询结果（耗时：0.0670秒） [XML]
Finding last occurrence of substring in string, replacing that
...Magyar yes, container[a:b] slices from a up to b-1 index of the container. If 'a' is omitted, then it defaults to 0; if 'b' is omitted it defaults to len(container). The plus operator just concatenates. The rfind function as you pointed out returns the index around which the replacement operation sh...
Are static fields open for garbage collection?
...ading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
loaded by the bootstrap loader may not
be unloaded.
...
How to select first and last TD in a row?
...
and what if you want to select the second og third child?
– clarkk
Aug 29 '11 at 10:22
2
...
visual studio not remembering open documents & startup project
...
I believe this information all lives in your .suo file and/or .user file. If they've become corrupt, VS will struggle, so it'll revert to the default.
Maybe try exiting VS, deleting the .suo and/or .user files, start VS and set it up how you want, restart it again and see if it remembered the sett...
What is the best way to implement a “timer”? [duplicate]
..."best" is defined as most reliable (least number of misfires) and precise. If I specify an interval of 15 seconds, I want the target method invoked every 15 seconds, not every 10 - 20 seconds. On the other hand, I don't need nanosecond accuracy. In this example, it would be acceptable for the method...
Grep only the first match and stop
...any given file. But it will still continue to search in other files. Also, if there are two or more matched in the same line, all of them will be displayed.
You can use head -1 to solve this problem:
grep -o -a -m 1 -h -r "Pulsanti Operietur" /path/to/dir | head -1
explanation of each grep optio...
Best way to require all files from a directory in ruby?
...
There's a subtle gotcha to not stripping the extension. If some other part of the code calls require 'foo' then ruby will load the same file again, which can lead to spurious errors. I added my own answer which explains that and shows how to strip the extension.
...
What are the default access modifiers in C#?
What is the default access modifier for classes, methods, members, constructors, delegates and interfaces?
9 Answers
...
Why do we need the “event” keyword while defining events?
...s and public fields of delegate types look similar, but are actually very different.
An event is fundamentally like a property - it's a pair of add/remove methods (instead of the get/set of a property). When you declare a field-like event (i.e. one where you don't specify the add/remove bits yourse...
Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
1 Answer
1
...