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What is the string length of a GUID?
...ystem.Guid.NewGuid();
byte[] guidbytes = guid.ToByteArray();
string uuid = Convert.ToBase64String(guidbytes).Trim('=');
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Get Enum from Description attribute [duplicate]
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@ErikE Enum cannot be specified as a constraint (msdn.microsoft.com/en-us/library/56b2hk61.aspx)
– max
Jul 22 '15 at 23:36
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Create a custom View by inflating a layout?
...see Documentation), since it is used to contain a single view, and inflate into it the view from the xml.
Code following:
public class MyView extends FrameLayout {
public MyView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initView();
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Why does appending “” to a String save memory?
...g(x, y)) does effectively the same thing as appending "", but it makes the intent somewhat clearer.
– Joachim Sauer
Jan 27 '10 at 14:57
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How to get week number in Python?
... This approach is better in cases where you don't want to split or convert a date which comes as a string... just pass the string in strptime in string format as it is and specify the format in second argument. Good solution. Remember: %W if week starts on Mondays.
– Th...
When should I use a struct rather than a class in C#?
...y a collection of value types . A way to logically hold them all together into a cohesive whole.
28 Answers
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Add swipe to delete UITableViewCell
... func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
return self.items.count;
}
func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! {
var cell = tableView.dequeueReusableCellWi...
JavaScript + Unicode regexes
...mall Java program that uses its own native Unicode support).
Basically it converts \p{...} to a range of values, much like the output of the tool mentioned by Tomalak, but the intervals can end up quite large (since it's not dealing with blocks, but with characters scattered through many different ...
Insert into … values ( SELECT … FROM … )
...ild complication with MODE ANSI databases, where owner names are generally converted to upper-case (informix is the exception). That is, in a MODE ANSI database (not commonly used), you could write:
CREATE TABLE someone.table ( ... )
and the owner name in the system catalog would be "SOMEONE", r...
How to add 30 minutes to a JavaScript Date object?
...in case this is not obvious, the reason we multiply minutes by 60000 is to convert minutes to milliseconds.
Be Careful with Vanilla Javascript. Dates Are Hard!
You may think you can add 24 hours to a date to get tomorrow's date, right? Wrong!
addMinutes(myDate, 60*24); //DO NOT DO THIS
It turns...