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jQuery, simple polling example
...ve written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not one of them. we should not be making any new requests until we get the results from the last request
...
Find provisioning profile in Xcode 5
... the profile that you want in the code sign section in the build settings, then open the selection view again and click on "other" at the bottom. Then occur a view with the naming of the current selected provisioning profile.
You can now find the profile file on the path:
~/Library/MobileDevice/P...
Oracle: how to UPSERT (update or insert into a table?)
...key, mystuff)
values ('X', 123);
exception
when dup_val_on_index then
update t
set mystuff = 123
where mykey = 'X';
end;
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Java Reflection Performance
...ing on what doSomething does. If it does nothing with visible side effect, then your benchmark runs only dead code.
– nes1983
May 26 '12 at 10:13
9
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How to import existing Git repository into another?
...y the simplest way would be to pull the XXX stuff into a branch in YYY and then merge it into master:
In YYY:
git remote add other /path/to/XXX
git fetch other
git checkout -b ZZZ other/master
mkdir ZZZ
git mv stuff ZZZ/stuff # repeat as necessary for each file/dir
git commit ...
How to compare two strings in dot separated version format in Bash?
...ny external utilities:
#!/bin/bash
vercomp () {
if [[ $1 == $2 ]]
then
return 0
fi
local IFS=.
local i ver1=($1) ver2=($2)
# fill empty fields in ver1 with zeros
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
do
ver1[i]=0
done
for ((i=0; i<${...
Is it valid to replace http:// with // in a ?
...Identifier (URI): Generic Syntax", Section 4.2. If a client chokes on it, then it's the client's fault because they're not complying with the URI syntax specified in the RFC.
Your example is valid and should work. I've used that relative URL method myself on heavily trafficked sites and have had ...
TypeError: Cannot read property 'then' of undefined
Above function return a string like "failed".
However, when I try to run then function on it, it will return error of
2 Ans...
Update multiple rows in same query using PostgreSQL
...
Yes, you can:
UPDATE foobar SET column_a = CASE
WHEN column_b = '123' THEN 1
WHEN column_b = '345' THEN 2
END
WHERE column_b IN ('123','345')
And working proof: http://sqlfiddle.com/#!2/97c7ea/1
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...
If you are always expecting to find a value then throw the exception if it is missing. The exception would mean that there was a problem.
If the value can be missing or present and both are valid for the application logic then return a null.
More important: What do ...