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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
.... Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry.
(Build Settings -> Swift Compiler ...
How to get the unix timestamp in C#
...
You get a unix timestamp in C# by using DateTime.UtcNow and subtracting the epoch time of 1970-01-01.
e.g.
Int32 unixTimestamp = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
DateTime.UtcNow can be replaced with any DateTime object that you woul...
Greenlet Vs. Threads
...lution with multiprocessing to achieve higher throughput? 2)I still don't know why ever use threads? Can we consider them as a naive and basic implementation of concurrency in python standard library?
– Rsh
Mar 24 '13 at 8:23
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Changing Java Date one hour back
...lDateTime().minusHours(1)
Java 8: java.time.LocalDateTime
LocalDateTime.now().minusHours(1)
Java 8 java.time.Instant
// always in UTC if not timezone set
Instant.now().minus(1, ChronoUnit.HOURS));
// with timezone, Europe/Berlin for example
Instant.now()
.atZone(ZoneId.of("Europe/Berlin...
Replace duplicate spaces with a single space in T-SQL
...a moment to figure out you you used the '><','' No space replace but now that I get it... it is very brilliant. I did very much like @richardtallent suggestion of using the non-printable ASCII characters the added combination of which produces: REPLACE(REPLACE(REPLACE(LastName,' ','CHAR(17)CHA...
How much faster is C++ than C#?
Or is it now the other way around?
29 Answers
29
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Does Python's time.time() return the local or UTC timestamp?
... gives you timestamp. Just remove the milliseconds - str(datetime.datetime.now()).split('.')[0]
– Hussain
Jan 3 '13 at 13:25
17
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Email validation using jQuery
...n this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
3
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Uninstall / remove a Homebrew package including all its dependencies
...
EDIT:
It looks like the issue is now solved using an external command called brew rmdeps or brew rmtree.
To install and use, issue the following commands:
$ brew tap beeftornado/rmtree
$ brew rmtree <package>
See the above link for more information...
parseInt vs unary plus, when to use which?
...er for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN(parseInt('',10)); //true
The unary + acts more like parseFloat ...