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How to grep for two words existing on the same line? [duplicate]
...if performance really matters. If you run two commands, you should aim to select the less frequently occurring word in the first grep to minimize the amount of data processed by the second.
Diagnosis
The initial script is:
grep -c "word1" | grep -r "word2" logs
This is an odd command sequence....
Getting list of lists into pandas DataFrame
...readsheet into pandas. DataNitro has a method that returns a rectangular selection of cells as a list of lists. So
3 An...
Returning unique_ptr from functions
...e object to be copied is designated by an lvalue,
overload resolution to select the constructor for the copy is first performed as if the object were designated by an rvalue.
Just wanted to add one more point that returning by value should be the default choice here because a named value in th...
Track all remote git branches as local branches
...it branch --set-upstream-to $remote/$brname $brname;
done
it will only select upstream branches from the remote you specify in the remote variable (it can be 'origin' or whatever name you have set for one of the remotes of your current Git repo).
it will extract the name of the branch: origin/a/...
How to amend several commits in Git to change author
...n't ask an extra confirmation
when you use git rebase -i, you can manually select the commits where to change the author,
the file you edit will look like this:
pick 897fe9e simplify code a little
pick abb60f9 add new feature
exec git commit --amend --author 'Author Name <author.name@mail.com...
JavaScript: How do I print a message to the error console?
... This is the correct answer. The word "error" isn't even mentioned in the selected answer, though it's in the question title.
– Ivan Durst
Sep 23 '15 at 17:43
3
...
How to loop through all the properties of a class?
... where c.Name.StartsWith("Doc")
select c).ToArray();
foreach (PropertyInfo item in properties)
{
if (item.PropertyType.FullName == "System.String")
item.SetValue(this, "", null);
}
}
I used the code ...
WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
...ックする、
「Atach to Process」画面の「Atach to」の「Select..」ボタンをクリックする。
「Select Code Type」画面で、「Debug these code type:」のRadio BoxをCheck ONにして、
「Managed」と「Native」をCheck ONにして、OKボタンで画...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
... I'd probably convert the ticks into a time object like this: SELECT CAST(DATEADD(MILLISECOND, @Ticks/CAST(10000 AS BIGINT), '1900-01-01') AS TIME). The '1900-01-01' date doesn't matter, of course, it's just the third variable required by the DATEADD(...) function. Remember there are 10...
How to find where gem files are installed
...an check it from your command prompt by running gem help commands and then selecting the proper command:
kirti@kirti-Aspire-5733Z:~$ gem help commands
GEM commands are:
build Build a gem from a gemspec
cert Manage RubyGems certificates and signing settin...