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How to clone git repository with specific revision/changeset?
... git repository, aptly, clones the entire repository: there isn't a way to select only one revision to clone. However, once you perform git clone, you can checkout a specific revision by doing checkout <rev>.
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How to parse XML to R data frame
... and pick the one that has "hourly" as one of its values. Then you need to select only that list but only keep the values that have the "value" label:
temps <- xml_data[["data"]][["parameters"]]
temps <- temps[names(temps) == "temperature"]
temps <- temps[sapply(temps, function(x) any(unli...
sed: print only matching group
... -d " " -f 6-7
Will result in output of:
2 3.4
-d sets the delimiter
-f selects the range of 'fields' to output, in this case, it's the 6th through 7th chunks of the original string. You can also specify the range as a list, such as 6,7.
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Why should I capitalize my SQL keywords? [duplicate]
...ors. This said, while this convention is a good thing for DML/DDL such as SELECT/INSERT queries and such, it can make for heavy look of Procedural extensions to SQL as in stored procs.
– mjv
Dec 9 '09 at 4:34
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How to execute XPath one-liners from shell?
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You should try these tools :
xmlstarlet : can edit, select, transform... Not installed by default, xpath1
xmllint : often installed by default with libxml2-utils, xpath1 (check my wrapper to have --xpath switch on very old releases and newlines delimited output (v < 2.9.9)
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How to clear MemoryCache?
...od
The workaround is:
List<string> cacheKeys = MemoryCache.Default.Select(kvp => kvp.Key).ToList();
foreach (string cacheKey in cacheKeys)
{
MemoryCache.Default.Remove(cacheKey);
}
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Is there a way to use SVG as content in a pseudo element :before or :after
I want to place some SVG images before some selected elements. I am using jQuery but that is irrelevant.
8 Answers
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TFS: How can you Undo Checkout of Unmodified files in a batch file
...containing' textbox "Tools.External" and assign a shortcut. For instance I selected Tools.ExternalCommand4 since my newly added undo command was the fourth one down. I then assigned shortcut keys Ctrl + Alt + U, Ctrl + Alt + U
– Mario
Feb 4 '13 at 22:52
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This IP, site or mobile application is not authorized to use this API key
...nsole/
2) In the Credentials, under Public API Access, Create New key
3) Select the server key from the option.
4) Enter your IP Address on the field and if you have more ip addresses, you can just add on every single line.NOTE: Enter the IP Address only when you want to use it for your testing p...
Rails: how do I validate that something is a boolean?
...age: validates :field, inclusion: { in: [ true, false ], message: "Please, select one!" }
– tagaism
Mar 23 '18 at 9:28
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