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Easy way to pull latest of all git submodules
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Probably you should use git submodule update --recursive nowadays.
– Jens Kohl
Sep 30 '11 at 14:12
41
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
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from here ORA-00054: resource busy and acquire with NOWAIT specified
You can also look up the sql,username,machine,port information and get to the actual process which holds the connection
SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT...
Calculate the number of business days between two dates?
... lastDay.DayOfWeek == DayOfWeek.Sunday
? 7 : (int)lastDay.DayOfWeek;
Now the result is:
Friday to Friday -> 1
Saturday to Saturday -> 0
Sunday to Sunday -> 0
Friday to Saturday -> 1
Friday to Sunday -> 1
Friday to Monday -> 2
Saturday to Monday -> 1
Sunday to Monday ->...
Best way to store password in database [closed]
...if a trespasser gets a hold of your database, they can still use what are known as rainbow tables to be able to "decrypt" the password (at least those that show up in the rainbow table). To get around this, developers add a salt to passwords which, when properly done, makes rainbow attacks simply in...
Insert picture into Excel cell [closed]
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Now we can add a picture to Excel directly and easely. Just follow these instructions:
Go to the Insert tab.
Click on the Pictures option (it’s in the illustrations group).
In the ‘Insert Picture’ dialog box, locat...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
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MVC DateTime binding with incorrect date format
Asp.net-MVC now allows for implicit binding of DateTime objects. I have an action along the lines of
10 Answers
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#ifdef replacement in the Swift language
.... Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry.
As usual, you can set a different val...
Is there a JavaScript / jQuery DOM change listener?
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Edit
This answer is now deprecated. See the answer by apsillers.
Since this is for a Chrome extension, you might as well use the standard DOM event - DOMSubtreeModified. See the support for this event across browsers. It has been supported in C...
Pushing app to heroku problem
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that worked...but now it is giving me this message: $ git push heroku master Counting objects: 1652, done. Delta compression using up to 4 threads. fatal: object 91f5d3ee9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 898...