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How can I use a file in a command and redirect output to the same file without truncating it?
...om a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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Change application's starting activity
I have created the meat and guts of my application but I want to add a different activity that will be the starting point (sort of a log-in screen).
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How to get “wc -l” to print just the number of lines without file name?
outputs number of lines and file name.
9 Answers
9
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Like Operator in Entity Framework?
We're trying to implement the "LIKE" operator in Entity Framework for our entities with string fields, but it doesn't appear to be supported. Has anyone else tried to do something like this?
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CSS/HTML: Create a glowing border around an Input Field
I want to create some decent inputs for my form, and I would really like to know how TWITTER does their glowing border around their inputs.
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HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
...ied within its parent. To get it to stretch you have to use HorizontalAlignment="Stretch", but then the result is centered. I've experimented with HorizontalContentAlignment, but it doesn't seem to do anything.
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What's quicker and better to determine if an array key exists in PHP?
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isset() is faster, but it's not the same as array_key_exists().
array_key_exists() purely checks if the key exists, even if the value is NULL.
Whereas
isset() will return false if the key exist and value is NULL.
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django - query filter on manytomany is empty
... Using AnotherModel.objects.filter(testmodel_set=None) worked for me. If you're using a related name, you should of course use that instead.
– Felipe
Feb 22 '16 at 13:31
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C# Object Pooling Pattern implementation
Does anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
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Is there a way to squash a number of commits non-interactively?
...ing tree is clean, then
git reset --soft HEAD~3
git commit -m 'new commit message'
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