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When is it better to use String.Format vs string concatenation?
...the performance hit, but to be honest it'll be minimal if present at all - and this concatenation version doesn't need to parse the format string.
Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well.
With C# 6
String i...
Why isn't there a Guid.IsNullOrEmpty() method
...Jun 13 '17 at 3:03
Shimmy Weitzhandler
89k116116 gold badges372372 silver badges585585 bronze badges
answered Mar 23 '12 at 10:29
...
Handling an empty UITableView. Print a friendly message
...at you reloadData you should determine if there your table is empty or not and update the UITableView's backgroundView property with a UIView containing a UILabel or just set it to nil. That's it.
It is of course possible to make UITableView's data source do double duty and return a special "list ...
Using braces with dynamic variable names in PHP
...t $variableName between {} :
${$variableName} = $value;
Using {} is only mandatory when the name of your variable is itself a composition of multiple values, like this :
${$variableNamePart1 . $variableNamePart2} = $value;
It is nevertheless recommended to always use {}, because it's more readable...
Cross compile Go on OSX?
I am trying to cross-compile a go app on OSX to build binaries for windows and linux. I have read everything what I could find on the net. Closest example that I have found has been published on (apart from many unfinished discussions on go-nuts mailing list):
...
Can I convert a C# string value to an escaped string literal
...point in reinventing stuff that .net can do for us
– Andy Morris
Jan 19 '10 at 13:58
17
Nice one,...
Where is a complete example of logging.config.dictConfig?
...: 1,
'disable_existing_loggers': True,
'formatters': {
'standard': {
'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
},
},
'handlers': {
'default': {
'level': 'INFO',
'formatter': 'standard',
'c...
Strangest language feature
...
that's because a[10] means *(a+10) ... and 10[a] means *(10+a) :)
– Michel Gokan
Jan 3 '10 at 14:50
77
...
Why dict.get(key) instead of dict[key]?
...ctionary.get("bogus") or my_default? I've seen people use it in some cases and I was wondering if there's any advantage of using one instead of the other (other than readability)
– Algorithmatic
Dec 4 '15 at 21:57
...
UITableViewHeaderFooterView: Unable to change background color
...olor will do)
When using XIB, make root view a UITableViewHeaderFooterView and associate the backgroundView programmatically:
Register with:
tableView.register(UINib(nibName: "View", bundle: nil),
forHeaderFooterViewReuseIdentifier: "header")
Load with:
override func tableVie...