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Disable all table constraints in Oracle
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Warning: if you have already DISABLED contraints, all constraints will be activated using that PL/SQL procedure. You have to filter those contraints on the where to ensure they keep disabled.
– nachouve
Nov 24...
Can I export a variable to the environment from a bash script without sourcing it?
...re are several possible workarounds.
The most obvious one, which you've already mentioned, is to use source or . to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, rather than setting ...
printf format specifiers for uint32_t and size_t
...orrect for the type you are passing, then printf will do the equivalent of reading too much or too little memory out of the array. As long as you use explicit casts to match up types, it's portable.
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How do I animate constraint changes?
...aints];
}
The AutoLayout Guide leaves much to be desired but it is worth reading. I myself am using this as part of a UISwitch that toggles a subview with a pair of UITextFields with a simple and subtle collapse animation (0.2 seconds long). The constraints for the subview are being handled in the...
Use of alloc init instead of new
Learning Objective-C and reading sample code, I notice that objects are usually created using this method:
8 Answers
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PostgreSQL: How to pass parameters from command line?
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Note, upon reading this I hoped to find that variables set with -v would be available to commands executed with -c, but, alas they are not. In other words, psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'" -c 'select * from t...
raw vs. html_safe vs. h to unescape html
...rk that it is not necessary to_escape. Quite a difference. Oh well, off to read the source code then.
– Simon B.
Mar 31 '15 at 12:15
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What do 3 dots next to a parameter type mean in Java?
... This answer borrows heavily from kiswa's and Lorenzo's if I read the edits correctly.
– Matt Mitchell
Jul 22 '10 at 3:37
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Node.js: How to send headers with form data using request module?
... a better answer as it does not rely on stringify which makes it easier to read.
– Keith John Hutchison
Nov 23 '16 at 23:55
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What is the difference between a regular string and a verbatim string?
...d be
string myFileName = @"C:\myfolder\myfile.txt";
The @ symbol means to read that string literally, and don't interpret control characters otherwise.
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