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What's wrong with nullable columns in composite primary keys?
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In Oracle (I don't know about SQL Server), the table can contain many rows where all the columns in a unique constraint are null. However, if some column(s) in the unique constraint are not null and some are null then uniqueness is enforced.
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How can I see what I am about to push with git?
...rrors after. You've just wasted time and bandwidth uploading data that you now have to re-upload. This seems like strange behavior.
– zeusstl
Jan 19 '15 at 7:04
1
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How to close tag properly?
...lt;img /> is valid in [X]HTML/XML, though the use of XHTML is very rare nowadays and if your server is serving the pages as text/html all you have to worry about is writing valid HTML. The odds to have to migrate an HTML app to XHTML is close to nil.
– Fabrício Matté
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How can I make my custom objects Parcelable?
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For those who don't know where the Browse Repositories dialog is at: File > Settings... > Plugins and click on the Browse repositories... button.
– DaedalusAlpha
Oct 5 '16 at 12:35
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How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...ograms usable on high resolution monitors.
You have to explicitly let it know that you can handle higher DPI settings by adding the <dpiAware> element to your manifest. The MSDN page is here but it isn't complete since it is omitting the UAC settings. Project + Add New Item, pick "Applicati...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...ytool expects, e.g. openssl x509 -in certs.txt -out certs.der -outform DER
Now you want to import this cert into the system default 'cacert' file. Locate the system default 'cacerts' file for your Java installation. Take a look at How to obtain the location of cacerts of the default java installatio...
Only detect click event on pseudo-element
... pointer-events:auto;
}
When the event target is your "p" element, you know it is your "p:before".
If you still need to detect mouse events on the main p, you may consider the possibility to modify your HTML structure. You can add a span tag and the following style:
p span {
background:#393...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...art counting at 1, would instead use the i = 1, i <= N nomenclature but now we need to correct the array offset in a zero-based language.
e.g.
function main() {
var output = "";
var a = [ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 ];
for( var i = 1; i <= 10; i++ ) // [1,10]
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windows service vs scheduled task
... of date. Since TopShelf came along Windows Services development got easy. Now you just need to figure out how to support failover...
Original Answer:
I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes ...
dd: How to calculate optimal blocksize? [closed]
...dmittedly, it's been a while since I did that. I use a mebibyte by default now, or just let dd pick the size.)
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