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git: How to ignore all present untracked files?
...e from status just use:
git status -uno # must be "-uno" , not "-u no"
If you instead want to permanently ignore currently untracked files you can, from the root of your project, launch:
git status --porcelain | grep '^??' | cut -c4- >> .gitignore
Every subsequent call to git status wil...
What does the explicit keyword mean?
...class will create a compiler error at the function call DoBar (42). It is now necessary to call for conversion explicitly with DoBar (Foo (42))
The reason you might want to do this is to avoid accidental construction that can hide bugs.
Contrived example:
You have a MyString(int size) class with ...
@RequestParam vs @PathVariable
What is the difference between @RequestParam and @PathVariable while handling special characters?
7 Answers
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Facebook share button and custom text [closed]
...ank">
<span>
<img width="14" height="14" src="'icons/fb.gif" alt="Facebook" /> Facebook
</span>
</a>
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
...t it's best practice to not test error in these cases, but instead to test if the return value is nil or not before returning. i.e. return json ?: nil; Minor nitpick, but worth mentioning, I think.
– Mike
Jan 6 '16 at 17:04
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Received an invalid column length from the bcp client for colid 6
... cell data that exceed the datacolumn datatype length in the database.
Verify the data in excel. Also verify the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try exceeding the data-length of the string datatype in the database table.
Hope thi...
When NOT to use Cassandra?
...gory (Including Cassandra) which are fit for different problem statements. Now lets move to the original questions, and answer them one by one.
When to use Cassandra
Being a part of the NoSQL family, Cassandra offers a solution for problems where one of your requirements is to have a very heavy wr...
StringIO in Python3
...so you can end up with TypeErrors ( string argument expected, got 'bytes') if you make this change in isolation. You need to carefully distinguish btyes and str (unicode) in python 3.
– Andy Hayden
Apr 22 '15 at 3:13
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Get image data url in JavaScript?
...e need to redownload the image (ie. it's already loaded by the browser, so now I want the content).
8 Answers
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Fast Linux File Count for a large number of files
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By default ls sorts the names, which can take a while if there are a lot of them. Also there will be no output until all of the names are read and sorted. Use the ls -f option to turn off sorting.
ls -f | wc -l
Note that this will also enable -a, so ., .., and other files s...