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Exception thrown inside catch block - will it be caught again?
...lause of the try statement, then the first (leftmost) such catch clause is selected. The value V is assigned to the parameter of the selected catch clause, and the Block of that catch clause is executed. If that block completes normally, then the try statement completes normally; if that block compl...
Why should I capitalize my SQL keywords? [duplicate]
...ors. This said, while this convention is a good thing for DML/DDL such as SELECT/INSERT queries and such, it can make for heavy look of Procedural extensions to SQL as in stored procs.
– mjv
Dec 9 '09 at 4:34
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Maven: Command to update repository after adding dependency to POM
...:
Right click on the project ->Run As -- >Run configurations.
Then select mavenBuild.
Then click new button to create a configuration of the selected
type .Click on Browse workspace then select your project and in
goals specify eclipse:eclipse
You can refer to how to run the command mvn e...
Getting file names without extensions
... Directory.GetFiles(@"c:\", "*.txt")
.Select(filename =>
Path.GetFileNameWithoutExtension(filename)));
I dislike the DirectoryInfo, FileInfo for this scenario.
DirectoryInfo and FileInfo collect more data about the folder and the...
?? Coalesce for empty string?
...u call this Coalesce when it doesn't bring the values together, but merely selects the one that isn't empty? It's a confusing name dude.
– Jimmyt1988
Jan 10 '17 at 11:40
8
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How to create .pfx file from certificate and private key?
... simple.
Under the SSL tab, I first Imported the Certificate. Then once I selected the Certificate I was able to export as a PFX, both with and without a keyfile.
https://www.digicert.com/util
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How to upgrade all Python packages with pip?
... install pip-review
$ py -3 -m pip_review --local --interactive
You can select 'a' to upgrade all packages; if one upgrade fails, run it again and it continues at the next one.
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improve th...
How to make UIButton's text alignment center? Using IB
...wer version of xcode (mine is xcode 6.1) we have property attributed title
Select Attributed then select the text and press centre option below
P.S. The text was not coming multiline for that I have to set the
btn.titleLabel.numberOfLines = 0
...
The project file has been moved renamed or is not on your computer
... i tried to open the .vbproj file and this is what i get. "The selected file cannot be opened as a solution or project. Please select a solution file or a project file" also please put how to recreate the .sln file. I am new to this. thanks
– sineas
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Finding ALL duplicate rows, including “elements with smaller subscripts”
...gt;% filter(n > 1) # data frame
df %>% add_count(col1, col2) %>% select(n) > 1 # logical vector
For duplicate rows (considering all columns):
df %>% group_by_all %>% add_tally %>% ungroup %>% filter(n > 1)
df %>% group_by_all %>% add_tally %>% ungroup %>% ...