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PHP: How to remove all non printable characters in a string?
...you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
It matches anything in range 0-31, 127-255 and removes it.
8 bit extended ASCII?
You fell into a Hot Tub Time Machine, and you're back in the eighties.
If you've got some...
What's the difference between libev and libevent?
...ing small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be embedded and so on...
Pull request vs Merge request
...er who is adding a new feature ? if a developer A adds a feature in feature_branch he should take the master branch and merge it ontop of his branch resolve all conflicts and test it out before creating the merge request ?
– Ciasto piekarz
Jan 30 '18 at 3:04
...
C# Events and Thread Safety
...memory model aspect of the question; see code.logos.com/blog/2008/11/events_and_threads_part_4.html
– Bradley Grainger
Apr 29 '09 at 20:58
2
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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...
@ArnaudBouchez check en.wikipedia.org/wiki/HTTP_persistent_connection#HTTP_1.1 WebSockets are open as long as you want and are not hackish (like long-polling and other alternatives).
– kaoD
Feb 21 '15 at 19:20
...
URL Encode a string in jQuery for an AJAX request
...e: "POST",
url: "http://atandra.mivamerchantdev.com//mm5/json.mvc?Store_Code=ATA&Function=Module&Module_Code=thub_connector&Module_Function=THUB_Request",
data: "strChannelName=" + $('#txtupdstorename').val() + "&ServiceUrl=" + encodeURIComponent($('#txtupdserviceurl').val())...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...velopment:
adapter: postgresql
encoding: unicode
database: kickrstack_development
host: localhost
pool: 5
username: kickrstack
password: secret
Make sure your user credentials are set correctly by creating a database and assigning ownership to your app's user to establish the connect...
Fast way of counting non-zero bits in positive integer
...p://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetTable
POPCOUNT_TABLE16 = [0] * 2**16
for index in range(len(POPCOUNT_TABLE16)):
POPCOUNT_TABLE16[index] = (index & 1) + POPCOUNT_TABLE16[index >> 1]
def popcount32_table16(v):
return (POPCOUNT_TABLE16[ v & 0xf...
Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
...
What is the most efficient Java Collections library? [closed]
... long mem = usedMem();
TIntIntHashMap ours = new TIntIntHashMap(SET_SIZE);
for ( int i = dataset.size(); i-- > 0; ) {
ours.put(i, i);
}
mem = usedMem() - mem;
System.err.println("trove " + mem + " bytes");
ours.clear();
}
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