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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Spring RestTemplate timeout
... @ConfigurationProperties(prefix = "custom.rest.connection")
public HttpComponentsClientHttpRequestFactory customHttpRequestFactory()
{
return new HttpComponentsClientHttpRequestFactory();
}
@Bean
public RestTemplate customRestTemplate()
{
return new Rest...
How to find and return a duplicate value in array
...u need an even faster solution, maybe try C instead.
And here is the gist comparing different solutions: https://gist.github.com/naveed-ahmad/8f0b926ffccf5fbd206a1cc58ce9743e
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Force HTML5 youtube video
... to add the html5=1 in the src attribute of the iframe :
<iframe src="http://www.youtube.com/embed/dP15zlyra3c?html5=1"></iframe>
The video will be displayed as HTML5 if available, or fallback into flash player.
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How to make join queries using Sequelize on Node.js
...ing from two tables, but the result should be the same
Further reading:
http://docs.sequelizejs.com/en/latest/docs/associations/#one-to-one-associations
http://docs.sequelizejs.com/en/latest/docs/associations/#one-to-many-associations
http://docs.sequelizejs.com/en/latest/docs/models-usage/#eager...
Using .otf fonts on web browsers
...font-style: normal;
font-weight: normal;
src: local('Tangerine'), url('http://example.com/tangerine.ttf') format('truetype');
}
body {
font-family: 'Tangerine', serif;
font-size: 48px;
}
This works cross browser with .ttf, I believe it may work with .otf. (Wikipedia says .otf is mostly bac...
Getting indices of True values in a boolean list
I have a piece of my code where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return t...
Keep SSH session alive [closed]
...owing in that configuration file:
Host remotehost
HostName remotehost.com
ServerAliveInterval 240
To enable sending a keep-alive signal for all hosts, place the following contents in the configuration file:
Host *
ServerAliveInterval 240
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Why aren't variable-length arrays part of the C++ standard?
I haven't used C very much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
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