大约有 7,900 项符合查询结果（耗时：0.0379秒） [XML]
Grep only the first match and stop
...ou want to print entire line and file name if the occurrence of particular word in current directory you are searching.
grep -m 1 -r "Not caching" * | head -1
share
|
improve this answer
...
PHP foreach change original array values
...people on the internet, which is why I decided to add more information and words of caution.
While pass by reference in foreach (or functions) is a clean and short solution, for many beginners this might be a dangerous pitfall.
Loops in PHP don't have their own scope. - @Mark Amery
This could be...
What does FrameLayout do?
...
You can consider the word frame as regular photo frame. What you do with that frame? you can place photos in that frame by one top to another. Same as in FrameLayout we can place views ( Any layout, or widget like button, text, image so on) top o...
Need for predictable random generator
...rs. Let's say that a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none in 15 hits. Battles are rather short (3-10 hits) so it's import...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
...
__func__ is kind of a problem in C++. C99 doesn't say a word about default arguments and so forth, cases where it's not so obvious how __func__ should behave in C++.
– wilhelmtell
Jan 29 '12 at 3:17
...
dismissModalViewControllerAnimated deprecated
... method is:
[self dismissViewControllerAnimated:NO completion:nil];
The word modal has been removed; As it has been for the presenting API call:
[self presentViewController:vc animated:NO completion:nil];
The reasons were discussed in the 2012 WWDC Session 236 - The Evolution of View Controlle...
When to use generic methods and when to use wild-card?
...ctionality. So which is preferable? Answer is 2nd one. In the author's own words :
"The general rule is to use wildcards when you can because code with wildcards
is generally more readable than code with multiple type parameters. When deciding if you need a type
variable, ask yourself if that type...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...
I have recently created a PHP/MySQL app which stores PDFs/Word files in a MySQL table (as big as 40MB per file so far).
Pros:
Uploaded files are replicated to backup server along with everything else, no separate backup strategy is needed (peace of mind).
Setting up the web serve...
Overloading member access operators ->, .*
...nything you want. It doesn't even have to be a nonstatic member.
In other words, this one is just a normal binary operator like +, -, and /. See also: Are free operator->* overloads evil?
.* and .
These cannot be overloaded. There is already a built-in meaning when the left-hand side is of cla...
How does the MapReduce sort algorithm work?
...n when al lthe mapper tasks are done (Can't actually start sorting all the words starting w/ A when there are still possibility that there is still going to be another A mini partition in the making). Output the result in the final sorted partion (i.e. Sorted-A, Sorted-B, etc.)
Once done, combine t...