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how to run two commands in sudo?
...o ttt; db2 UPDATE CONTACT SET EMAIL_ADDRESS = 'mytestaccount@gmail.com'"
If your sudo version doesn't work with semicolons with -s (apparently, it doesn't if compiled with certain options), you can use
sudo -- sh -c 'whoami; whoami'
instead, which basically does the same thing but makes you na...
.gitignore after commit [duplicate]
...ce you probably want to keep the local copy but remove from the repo. ) So if you want to remove all the exe's from your repo do
git rm --cached /\*.exe
(Note that the asterisk * is quoted from the shell - this lets git, and not the shell, expand the pathnames of files and subdirectories)
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Why rename synthesized properties in iOS with leading underscores? [duplicate]
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This is an artifact of a previous version of the Objective-C runtime.
Originally, @synthesize was used to create accessors methods, but the runtime still required that instance variables had to be instantiated explicitly:
@interface Foo...
How do I retrieve an HTML element's actual width and height?
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Beware! offsetHeight/offsetWidth can return 0 if you've done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:5...
Passing ssh options to git clone
...Option1 Value1
SshOption2 Value2
The Host entry is what you’ll specify on the command line, and the HostName is the true hostname. They can be the same, or the Host entry can be an alias. The User entry is used if you do not specify user@ on the command line.
If you must configure this on t...
Write lines of text to a file in R
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Mark - what If I have several threads all of which I would like to add lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks.
– Tal Galili
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Difference between thread's context class loader and normal classloader
What is the difference between a thread's context class loader and a normal class loader?
4 Answers
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How do you kill all current connections to a SQL Server 2005 database?
...g 319, Level 15, State 1, Line 4 Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon. Msg 102, Level 15, State 1, Line 4 Incorrect syntax near...
Position icons into circle
...re images here */
- ];
- let n_imgs = imgs.length;
- let has_mid = 1; /* 0 if there's no item in the middle, 1 otherwise */
- let m = n_imgs - has_mid; /* how many are ON the circle */
- let tan = Math.tan(Math.PI/m); /* tangent of half the base angle */
.container(style=`--m: ${m}; --tan: ${+tan.t...
Difference between Select and ConvertAll in C#
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And what about the performances? If I have a List, is it more performant to use ConvertAll or Select?
– Nicolas
Dec 7 '10 at 14:28
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