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PHP Multidimensional Array Searching (Find key by specific value)
... 2
Explanation
The function array_search() has two arguments. The first one is the value that you want to search. The second is where the function should search. The function array_column() gets the values of the elements which key is 'uid'.
Summary
So you could use it as:
array_search('brevi...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
I have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the ...
JAX-RS — How to return JSON and HTTP status code together?
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actually, one can just return the object not wrapping to the Response.
– ses
Apr 25 at 20:32
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What is the Windows equivalent of the diff command?
... similar to this : here .
I tried using the comp command like it mentioned, but if I have two files, one with data like "abcd" and the other with data "abcde", it just says the files are of different sizes. I wanted to know where exactly they differ. In Unix, the simple diff tells me which row ...
Removing duplicate rows in vi?
I have a text file that contains a long list of entries (one on each line). Some of these are duplicates, and I would like to know if it is possible (and if so, how) to remove any duplicates. I am interested in doing this from within vi/vim, if possible.
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Physical vs. logical / soft delete of database record?
... have unique indexes on the table, deleted records will still take up the "one" record, so you have to code around that possibility too (for example, a User table that has a unique index on username; A deleted record would still block the deleted users username for new records. Working around this ...
Add a common Legend for combined ggplots
...legend(p1)
p3 <- grid.arrange(arrangeGrob(p1 + theme(legend.position="none"),
p2 + theme(legend.position="none"),
nrow=1),
mylegend, nrow=2,heights=c(10, 1))
Here is the resulting plot:
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Create singleton using GCD's dispatch_once in Objective-C
...ingleton is not a certainty of its immortality, but certainty that we have one instance. What if that singleton decrement a semaphore? You can't just arbitrary say that it will always exists.
– jacekmigacz
Jan 25 '13 at 13:40
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Use ffmpeg to add text subtitles [closed]
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This method add subtitle to file as one of stream, so need player support to show subtitle(such as VLC)
– BollMose
Sep 28 '15 at 7:59
1
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C++0x has no semaphores? How to synchronize threads?
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You can easily build one from a mutex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; /...