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Capturing Groups From a Grep RegEx
... use grep multiple times within a pipeline to first reduce your line to a known format, and then to extract just the bit you want. (Although tools like cut and sed are far better at this).
Suppose for the sake of argument that your pattern was a bit simpler: [0-9]+_([a-z]+)_ You could extract this ...
Why do we always prefer using parameters in SQL statements?
I am very new to working with databases. Now I can write SELECT , UPDATE , DELETE , and INSERT commands. But I have seen many forums where we prefer to write:
...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
...e,'actionBeingCalled')
.returns(httpPromise(200));
Known that, httpPromise can be :
const httpPromise = (code) => new Promise((resolve, reject) =>
(code >= 200 && code <= 299) ? resolve({ code }) : reject({ code, error:true })
);
...
jQuery animate backgroundColor
...red for the basic functionality this lib is usually sought after for. It's now 20+kb big. You can select the v1 branch to get the old version (Which still works) but is much lighter weight.
– Aren
Jun 10 '11 at 22:48
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How to write to an existing excel file without overwriting data (using pandas)?
...s writer.sheets to access the sheet.
## If you leave it empty it will not know that sheet Main is already there
## and will create a new sheet.
writer.sheets = dict((ws.title, ws) for ws in book.worksheets)
data_filtered.to_excel(writer, "Main", cols=['Diff1', 'Diff2'])
writer.save()
...
Why use the INCLUDE clause when creating an index?
...ID, DepartmentID), once you find the employees for a given department, you now have to do "bookmark lookup" to get the actual full employee record, just to get the lastname column. That can get pretty expensive in terms of performance, if you find a lot of employees.
If you had included that lastna...
Jquery change background color
...Query object, chaining, etc.)
Update:
As suggested by VKolev the color is now changing when the item is hidden.
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How can I make git do the “did you mean” suggestion?
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I have been using fuck command for 2 years now, it has become one of my "cannot live without it" terminal modifications!!
– Noah Sussman
Jan 29 '17 at 6:35
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
... Developer Command Prompt for VS {version}. devenv.exe is most likely not known in your normal CMD (if you haven‘t added it to the path at least). This Developer Command Prompt takes care of that. It was installed with VS and was in the start menu in my case.
– bugybunny
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Spring vs EJB. Can Spring replace EJB? [closed]
...able,
polyglot applications without an app server.
Update: It's Mar 2016 now. Spring Boot offers an even better way to write applications without Java EE app servers. You can create an executable JAR and run it on a JVM.
I wonder if Oracle will continue to support the Java EE spec. Web service...