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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...ion of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
...
How to shorten my conditional statements
...lyfill.
Short explanation of the ~ tilde shortcut:
Update: Since we now have the includes method, there's no point in using the ~ hack anymore. Just keeping this here for people that are interested in knowing how it works and/or have encountered it in other's code.
Instead of checking if th...
Comparison between Corona, Phonegap, Titanium
...l. From architectural standpoint, these two frameworks are very similar.
Now, are they any different? Yes. First, Titanium appears to be more feature rich than PhoneGap by bridging more mobile phone functions to javascript. Most noticeably, PhoneGap does not expose many (if any) native UI componen...
In the shell, what does “ 2>&1 ” mean?
...file
Mon Jan 7 13:18:21 CET 2013
The file is overwritten each time, well now:
$ set -o noclobber
$ date > $testfile ; cat $testfile
bash: /tmp/testNoClobberDate-WW1xi9: cannot overwrite existing file
Mon Jan 7 13:18:21 CET 2013
$ date > $testfile ; cat $testfile
bash: /tmp/testNoClobberDa...
How to integrate nodeJS + Socket.IO and PHP?
...age (represents a chat message), we broadcast it to every users connected. Now, the tricky part: client-side! That the part that took me most of the time, because I didn't know which script include to be able to run Socket.IO code without the nodeServer (because client page will be served by Apache)...
Selenium c# Webdriver: Wait Until Element is Present
...
This method is now deprecated, you should instead use the property ImplicitWait : Driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(10);
– Samuel Rondeau-Millaire
Mar 31 '17 at 15:17
...
Convert to/from DateTime and Time in Ruby
...ew_offset, :gm)
end
def to_local_time
to_time(new_offset(DateTime.now.offset-offset), :local)
end
private
def to_time(dest, method)
#Convert a fraction of a day to a number of microseconds
usec = (dest.sec_fraction * 60 * 60 * 24 * (10**6)).to_i
Time.send(method, dest.yea...
How do you use version control with Access development?
...ercase spelling. For example: every file that once contained "OrderNumber" now contains "Ordernumber" in the export and is therefore marked as "changed" (at least by SVN, didn't try other SCM yet). Any idea how I can avoid this? Thanks a lot!
– Christian Specht
...
Strings in a DataFrame, but dtype is object
...
can I get datatype returned as string, somehow. I know I can always use type(df["column"].iloc[0]), but it may so happen that it is nan
– user1953366
Apr 28 '19 at 8:12
...
Looking for jQuery find(..) method that includes the current node
...ddBack('selector')
Prior to jQuery 1.8 you were stuck with .andSelf(), (now deprecated and removed) which then needed filtering:
object.find('selector').andSelf().filter('selector')
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