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How to quickly edit values in table in SQL Server Management Studio?
... Yeah, if you join in another table it changes the cells to Read Only :/
– CloudMeta
Aug 12 '13 at 20:21
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Insert Update trigger how to determine if insert or update
... IF EXISTS(SELECT 1) ... have exactly the same performance. The row is not read nor fetched at all. In fact you can also use IF EXISTS(SELECT 1/0 ...) and it will still work and won't cause divide by zero error.
– Endrju
Oct 5 '14 at 10:15
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ng-model for `` (with directive DEMO)
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I created a workaround with directive:
.directive("fileread", [function () {
return {
scope: {
fileread: "="
},
link: function (scope, element, attributes) {
element.bind("change", function (changeEvent) {
var re...
@RequestParam in Spring MVC handling optional parameters
...d because logout wasn't a mandatory parameter thanks to required = false already given for logout.
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What is the difference between syntax and semantics in programming languages?
...efore must be evaluated at run-time. In the ++ operator example, if x is already at the maximum value for its data type, what happens when you try to add 1 to it? Another example: what happens if your program attempts to dereference a pointer whose value is NULL?
In summary, syntax is the concept t...
What's an Aggregate Root?
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@Ahmad, other aggregates might refer to LineItems as read-only data, they just can't change them. If other aggregates could change them, you couldn't protect the order's invariants (nor the line items').
– Jeff Sternal
Mar 8 '10 at 19:57
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Akka Kill vs. Stop vs. Poison Pill?
Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during...
How to undo a git merge with conflicts
...ivalent to git reset --merge given that MERGE_HEAD is present. This can be read in the git help for merge command.
git merge --abort # is equivalent to git reset --merge when MERGE_HEAD is present.
After a failed merge, when there is no MERGE_HEAD, the failed merge can be undone with git reset --...
Overwrite or override
...ommon used word is Override and it's not language-specific as you can also read from wikipedia: http://en.wikipedia.org/wiki/Method_overriding
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What is the optimal length for an email address in a database?
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I know this is an old thread and there's no problem using 320, but the actual maximum is 254 because of an overriding restriction from RFC2821 that imposes additional constraints over and above those quoted for the local and domain parts. If storage...