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How to read the mode field of git-ls-tree's output
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2 Answers
2
Active
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How to ssh to vagrant without actually running “vagrant ssh”?
...ks to kgadek):
ssh $(vagrant ssh-config | awk 'NR>1 {print " -o "$1"="$2}') localhost
To account for when you have more than one vagrant host, this will select the desired host, as well as cull blank lines from the config (using sed):
HOST=name-of-my-host
ssh $(vagrant ssh-config $HOST | sed ...
Is it possible to set a number to NaN or infinity?
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279
Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
&...
Spring @Transactional - isolation, propagation
...d option.
Example of when a dirty read can occur:
thread 1 thread 2
| |
write(x) |
| |
| read(x)
| |
rollback |
v v
value (x) is now dirty (incorrect)
So a sane default (if such can be cla...
How do different retention policies affect my annotations?
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214
RetentionPolicy.SOURCE: Discard during
the compile. These annotations don't
make any...
How do I find the absolute url of an action in ASP.NET MVC?
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answered Jun 18 '10 at 2:54
Adam BoddingtonAdam Boddington
6,35022 gold badges1818 silver badges1212 bronze badges
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How do I get an apk file from an Android device?
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24 Answers
24
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Idiomatic way to wait for multiple callbacks in Node.js
...omises in parallel
var a = Promise.resolve(1);
var b = Promise.resolve(2);
var c = Promise.resolve(3);
var res = yield [a, b, c];
console.log(res);
// => [1, 2, 3]
}).catch(onerror);
// errors can be try/catched
co(function *(){
try {
yield Promise.reject(new Error('boom'));
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How do I change selected value of select2 dropdown with JqGrid?
I'm using Oleg's select2 demo , but I am wondering whether it would be possible to change the currently selected value in the dropdown menu.
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Scraping html tables into R data frames using the XML package
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edited Apr 8 '17 at 13:21
Jim G.
13.7k1919 gold badges8888 silver badges148148 bronze badges
answered...