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How do you append to an already existing string?
I want append to a string so that every time I loop over it will add say "test" to the string.
7 Answers
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Force point (“.”) as decimal separator in java
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Use the overload of String.format which lets you specify the locale:
return String.format(Locale.ROOT, "%.2f", someDouble);
If you're only formatting a number - as you are here - then using NumberFormat would probably be more appropriate. But...
SQL Server dynamic PIVOT query?
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So \@cols must be string-concatenated, right? We can't use sp_executesql and parameter-binding to interpolate \@cols in there? Even though we construct \@cols ourself, what if somehow it contained malicious SQL. Any additional mitigating steps...
Optimising Android application before release [closed]
...g
recycle complex java objects such as XmlPullParserFactory/BitmapFactory/StringBuilder/Matcher etc.
For more battery tricks see Coding for Life - Battery Life, That Is.
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Check whether a cell contains a substring
...here an in-built function to check if a cell contains a given character/substring?
9 Answers
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Choosing between std::map and std::unordered_map [duplicate]
...prone: numbers passed through unaltered, only 10 characters spaced along a string of any length are combined in the hash value, bucket counts aren't prime. (GNU is at the opposite end of the spectrum).
– Tony Delroy
Aug 27 '15 at 3:49
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Sending JWT token in the headers with Postman
...en. I just tried it out and it works for me.
Authorization: Bearer TOKEN_STRING
Each part of the JWT is a base64url encoded value.
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Find column whose name contains a specific string
...rame with column names, and I want to find the one that contains a certain string, but does not exactly match it. I'm searching for 'spike' in column names like 'spike-2' , 'hey spike' , 'spiked-in' (the 'spike' part is always continuous).
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What is the difference between LL and LR parsing?
...n at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol.
An LL parse is a left-to-right, leftmost derivation. That is, we consider the input symbols from the left to the right and at...
How to pass object with NSNotificationCenter
...cation:(NSNotification*)notification
{
if ([notification.name isEqualToString:@"TestNotification"])
{
NSDictionary* userInfo = notification.userInfo;
NSNumber* total = (NSNumber*)userInfo[@"total"];
NSLog (@"Successfully received test notification! %i", total.intValue...