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How to use sed to replace only the first occurrence in a file?
... Input: Output:
Apple Banana
Apple Apple
Orange Orange
Apple Apple
This is the simple script: Editor's note: works with GNU sed only.
sed '0,/Apple/{s/Apple/Banana/}' input_filename
The first two parameters 0 and /Apple/ are the range specifier....
How to add images to README.md on GitHub?
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I think you can link directly to the raw version of an image if it's stored in your repository. i.e.
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Selector on background color of TextView
...gt;
<item android:state_pressed="true" android:drawable="@color/dim_orange_btn_pressed" />
<item android:state_focused="true" android:drawable="@color/dim_orange_btn_pressed" />
<item android:drawable="@android:color/white" />
</selector>
I added the android:dra...
How to delete all the rows in a table using Eloquent?
...rom my model using the whereIn method: $itemsAllContentIDs = Item::where('user_id', $userId)->pluck('item_content_id')->all(); ItemsContent::whereIn('id', $itemsAllContentIDs)->delete();
– Keith DC
Nov 3 '16 at 7:24
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Is it possible to use raw SQL within a Spring Repository
I need to use raw SQL within a Spring Data Repository, is this possible? Everything I see around @Query is always entity based.
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Why should I use a pointer rather than the object itself?
...propriate and safer than performing manual dynamic allocation and/or using raw pointers.
Dynamic allocation
In your question, you've demonstrated two ways of creating an object. The main difference is the storage duration of the object. When doing Object myObject; within a block, the object is cre...
Should Github be used as a CDN for javascript libraries? [closed]
...ou care about performance or IE9 compatibility.
GitHub doesn't serve its "raw" files with a far-future expires header. Without the possibility of cross-site caching, you lose the biggest benefit of using a public CDN to host your JavaScript. In fact, using GitHub as a CDN will be slower than simp...
How to keep a Python script output window open?
...ndow.
Add code to wait at the end of your script. For Python2, adding ...
raw_input()
... at the end of the script makes it wait for the Enter key. That method is annoying because you have to modify the script, and have to remember removing it when you're done. Specially annoying when testing oth...
Ordering by the order of values in a SQL IN() clause
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Ans to get sorted data.
SELECT ...
FROM ...
ORDER BY FIELD(user_id,5,3,2,...,50) LIMIT 10
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How much is the overhead of smart pointers compared to normal pointers in C++?
...o overhead in the destructor. It does exactly the same as you would with a raw pointer.
– R. Martinho Fernandes
Dec 15 '14 at 11:22
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