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Oracle TNS names not showing when adding new connection to SQL Developer
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Restart SQL Developer
Now in SQL Developer right click on Connections and select New Connection.... Select TNS as connection type in the drop down box. Your entries from tnsnames.ora should now display here.
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How to convert a PNG image to a SVG? [closed]
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with adobe illustrator:
Open Adobe Illustrator. Click "File" and select "Open" to load the .PNG file into the program.Edit the image as needed before saving it as a .SVG file. Click "File" and select "Save As." Create a new file name or use the existing name. Make sure the selected file ty...
How can I create a link to a local file on a locally-run web page?
...filename.ext">right click </a></td>
and then right click, select "copy location" option, and then paste into url.
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Picking a random element from a set
... the buckets that make up the hashset, which allows us to more efficiently select a random elements. If random elements are necessary in Java, it might be worthwhile to define a custom hash set that allows the user to look under the hood. See [boost's docs][1] for a little more in this. [1] boos...
Printing 1 to 1000 without loop or conditionals
...it };
printf("%d\n", j);
ft[j/1000](j + 1);
}
int main(int argc, char *argv[])
{
f(1);
}
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edited Apr 30 '11 at 11:53
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How to get element by innerText
... This should be the top answer. XPath can do much more, like select node by attribute value, select node sets ... Simple intro: w3schools.com/xml/xpath_syntax.asp
– Timathon
Dec 2 '17 at 2:43
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mongodb: insert if not exists
...what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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onchange event on input type=range is not triggering in firefox while dragging
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});
}
// example usage:
var myRangeInputElmt = document.querySelector("input" );
var myRangeValPar = document.querySelector("#rangeValPar" );
var myNumChgEvtsCell = document.querySelector("#numChgEvtsCell");
var myNumInpEvtsCell = document.querySelector("#numInpEvtsCel...
What are bitwise shift (bit-shift) operators and how do they work?
...rs can be applied to integer values (int, long, possibly short and byte or char). In some languages, applying the shift operators to any datatype smaller than int automatically resizes the operand to be an int.
Note that <<< is not an operator, because it would be redundant.
Also note that...
Entity Framework: There is already an open DataReader associated with this Command
...al commands executed on single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this...