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updating table rows in postgres using subquery
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dummy has to be replaced by the name of the table you are trying to update. Please understand question and answer before trying to apply.
– Andrew Lazarus
Oct 14 '16 at 14:39
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What is an invariant?
...hing you can store in a variable: it's more a statement about the program. By figuring out what sort of invariants your program should maintain, then reviewing your code to make sure that it actually maintains those invariants, you can avoid logical errors in your code.
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What is the Java equivalent for LINQ? [closed]
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Coolection has not pretend to be the new lambda, however we're surrounded by old legacy Java projects where this lib will help. It's really simple to use and extend, covering only the most used actions of iteration over collections, like that:
from(people).where("name", eq("Arthur")).first();
from...
How can I archive git branches?
...velopment. I would like to archive the branches so that they don't show up by default when running git branch -l -r . I don't want to delete them, because I want to keep the history. How can I do this?
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For a boolean field, what is the naming convention for its getter/setter?
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This is the naming convention for
boolean methods and variables used by
Sun for the Java core packages. Using the is prefix solves a common
problem of choosing bad boolean names
like status or flag. isStatus or
isFlag simply doesn't fit, and the
programmer is forced to chose more
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Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springfra
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Bacon saved by SO yet again!
– Andrew Swan
Oct 15 '10 at 6:25
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Looking for jQuery find(..) method that includes the current node
...ng thick but so you don't have to specify 'selector' twice, ( as mentioned by @ronen ), couldn't you just use object.parent().find('selector')??? — that being said I like the idea of a lib that does it for you.
– Sam
Dec 1 '16 at 17:08
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Fragment MyFragment not attached to Activity
... to start another activity. Then this error occurred. I avoided this error by calling dismiss() after startActivity. The problem was that fragment was already detached from Activity.
– Ataru
Nov 17 '14 at 15:14
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Cannot set property 'innerHTML' of null
... the script tags (present in head section of your HTML file) gets executed by the browser rendering engine even before your whole DOM (various HTML element tags present within body tag) is loaded. The scripts present in head tag are trying to access an element having id hello even before it has act...
Is an array name a pointer?
...t x = *(arr + 1); /* same as arr[1] */
/* arr not used as value */
size_t bytes = sizeof arr;
void *q = &arr; /* void pointers are compatible with pointers to any object */
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