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curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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How can I limit a “Run Script” build phase to my release configuration?
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if [ "${CONFIGURATION}" = "Release" ]; then
echo Do something really release-like
fi
The script will run at the end of every configuration, but it won't do anything in this case unless the configuration is Release (assumi...
Remove all files except some from a directory
...th] -type f -not -name 'textfile.txt' -not -name 'backup.tar.gz' -delete
If you don't specify -type f find will also list directories, which you may not want.
Or a more general solution using the very useful combination find | xargs:
find [path] -type f -not -name 'EXPR' -print0 | xargs -0 rm ...
NSUserDefaults removeObjectForKey vs. setObject:nil
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Swift 3.0
The below answer is no longer the case when I tested this.
When set to nil the result is NSCFData being stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use...
What is the relationship between the docker host OS and the container base image OS?
...Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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How to remove a field completely from a MongoDB document?
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Try this: If your collection was 'example'
db.example.update({}, {$unset: {words:1}}, false, true);
Refer this:
http://www.mongodb.org/display/DOCS/Updating#Updating-%24unset
UPDATE:
The above link no longer covers '$unset'ing. ...
How to input a regex in string.replace?
... to be escaped (i.e. with a backslash placed in front - and the rules are different inside and outside character classes.) There is an excellent online tutorial at: www.regular-expressions.info. The time you spend there will pay for itself many times over. Happy regexing!
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Removing double quotes from variables in batch file creates problems with CMD environment
...n. With " as the old and nothing as the new, the quotes are removed, even if they are in the middle, even if they are unbalanced.
– Jesse Chisholm
Feb 12 '15 at 15:33
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LINQ - Left Join, Group By, and Count
...ildTable on p.ParentId equals c.ChildParentId into j1
from j2 in j1.DefaultIfEmpty()
group j2 by p.ParentId into grouped
select new { ParentId = grouped.Key, Count = grouped.Count(t=>t.ChildId != null) }
share
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How to create a directory using Ansible
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You want the file module. To create a directory, you need to specify the option state=directory :
- name: Creates directory
file:
path: /src/www
state: directory
You can see other options at http://docs.ansible.com/file_module.html
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