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Merge two Git repositories without breaking file history
... see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that file - the subtree merge. Judging from the comments on the above answer, I'm not alone in seeing this problem but I've found no published solutions for it.
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How to access the correct `this` inside a callback?
...roblem: Using object methods as callbacks/event handlers
Another common manifestation of this problem is when an object method is used as callback/event handler. Functions are first-class citizens in JavaScript and the term "method" is just a colloquial term for a function that is a value of an obje...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
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shuf and sort -R differ slightly, because sort -R randomly orders the elements according to hash of them, which is, sort -R will put the repeated elements together, while shuf shuffles all the elements randomly.
– SeMeKh
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What is the ellipsis (…) for in this method signature?
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Those are Java varargs. They let you pass any number of objects of a specific type (in this case they are of type JID).
In your example, the following function calls would be valid:
MessageBuilder msgBuilder; //There should probably be a call to a constructor here ;)
MessageBuilder msgBuilder2;
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Any way to delete in vim without overwriting your last yank? [duplicate]
...in the registers:
"_dd
See also :help registers.
It's probably safest, if you want to paste something over and over again, to yank it into a "named" register.
"aY
Yanks a line into the a register. Paste it with "ap.
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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Be careful with this approach -- if you had other attributes about that column (for example a :limit constraint), you need to repeat those attributes when using change_column, or they will be lost. For this reason, I prefer to use change_column_null
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What is the difference between Amazon S3 and Amazon EC2 instance?
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Thank you for the reply. So, if I have an EC2 instance and S3 storage, can I manage to run a server(PHP, mysql)? Or is EC2 instance enough to run a server?
– Sangam254
Jan 18 '13 at 4:56
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How to import a class from default package
...the function which implemented the JNI native functionality.
for example, If you would like to add your program in the package "com.mypackage",
You change the prototype of the JNI implementing ".C" File's function/method to this one:
JNIEXPORT jint JNICALL
Java_com_mypackage_Calculations_Calc...
How can I create an Asynchronous function in Javascript?
...th a friend yesterday so this answer is perfect! I understand and can identify the async functions and use them in JS properly. But simply why can't we implement custom ones is not clear to me. It's like a black box that we know how make it work (using, say, setInterval) but that we can't even open ...
Android OpenGL ES and 2D
...e it as an initializer parameter
{
/*many thanks to sprite method test if this works*/
if ( gl == null )
{
Log.e(TAG, "Failed to load resource. Context/GL is NULL");
return false;
}
int error;
int textureName = -1;
gl.glGenTextures(1, texture, 0);
te...