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Test if a command outputs an empty string
...ent that is being checked, otherwise empty results will result in a syntax error as there is no second argument (to check) given!
Note: that ls -la always returns . and .. so using that will not work, see ls manual pages. Furthermore, while this might seem convenient and easy, I suppose it will bre...
Serializing object that contains cyclic object value
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This example doesn't fit the Gist. The Gist has errors.
– Ernst Ernst
Feb 22 '16 at 0:33
Ni...
How do I reset a sequence in Oracle?
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Error sequence .NEXTVAL goes below MINVALUE and cannot be instantiated when INCREMENT BY -<<big_number>>
– zloctb
Aug 17 '15 at 20:42
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Convert generic List/Enumerable to DataTable?
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This solution is error prone because it depends on the properties declaration order in T class.
– Vahid Ghadiri
May 17 '19 at 17:57
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Python non-greedy regexes
...r, "any" includes 0, which is usually something you want to throw a syntax error for, not accept. Instead, I suggest using the + sign, which matches any repetition of length > 1. What's more, from what I can see, you are dealing with fixed-length parenthesized expressions. As a result, you can pr...
Replace a newline in TSQL
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If your column data type is 'text' then you will get an error message as
Msg 8116, Level 16, State 1, Line 2 Argument data type text is
invalid for argument 1 of replace function.
In this case you need to cast the text as nvarchar and then replace
SELECT REPLACE(REPLACE(...
Calculate RSA key fingerprint
...wd:19:f0:d4:4y:9g:27:cf:97:23 yourName@ubuntu (RSA)
If however you get an error like; Could not open a connection to your authentication agent.
Then it means that ssh-agent is not running. You can start/run it with:
ssh-agent bash (thanks to @Richard in the comments) and then re-run ssh-add...
How can I keep my fork in sync without adding a separate remote?
... existing branches). If any of your branches has diverged it will throw an error for that branch.
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Enable zooming/pinch on UIWebView
... pathForResource:@"File Name"ofType:@"html"] encoding:NSUTF8StringEncoding error:nil];
[self.mWebview loadHTMLString:htmlString baseURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]]];
#pragma mark -
#pragma mark - Webview Delegate Methods
- (void) webViewDidFinishLoad:(UIWebView *)we...
How to handle floats and decimal separators with html5 input type number
...o find a way to turn HTML5 validation off. I can turn off or customize the error message, but retrieving the value from the input is always a crapshoot. Any ideas?
– Nick G.
Sep 10 '14 at 22:20
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