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How can I grep for a string that begins with a dash/hyphen?
...s to create a .sh script that just echos all the arguments. I use a script called echo-args.sh to play with from time to time, all it contains is:
echo $*
I invoke it as:
bash echo-args.sh \-X
bash echo-args.sh \\-X
bash echo-args.sh "\-X"
You get the idea.
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Recommended way of making React component/div draggable
...s case, the draggable would still own the "am I dragging" state, but would call this.props.onChange(x, y) whenever a mousemove event occurs.
Scenario 2
the parent only needs to own the "non-moving position", and so the draggable would own it's "dragging position" but onmouseup it would call this....
Elegant Python function to convert CamelCase to snake_case?
...n-acronyms (e.g. "ResponseCode" -> "Response_Code") followed by a final call to lowercase everything. Thus "getHTTPResponseCode" -> "getHTTP_ResponseCode" -> "get_HTTP_Response_Code" -> "get_http_response_code"
– Jeff Moser
Apr 19 '16 at 15:12
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How to convert OutputStream to InputStream?
...d is a ByteArrayOutputStream, then you can always get the full contents by calling the toByteArray() method. Then you can create an input stream wrapper by using the ByteArrayInputStream sub-class. These two are pseudo-streams, they both basically just wrap an array of bytes. Using the streams this ...
How does Spring autowire by name when more than one matching bean is found?
...3 of the Spring 3.0 manual:
For a fallback match, the bean name is considered a default qualifier value.
In other words, the default behaviour is as though you'd added @Qualifier("country") to the setter method.
share...
Showing commits made directly to a branch, ignoring merges in Git
...branch master
will present you list of commits compared with their patch id:
+ c3e441bf4759d4aa698b4a413f1f03368206e82f Updated Readme
- 2a9b2f5ab1fdb9ee0a630e62ca7aebbebd77f9a7 Fixed formatting
+ e037c1d90b812af27dce6ed11d2db9454a6a74c2 Corrected spelling mistake
You can notice that commits pr...
How to add a touch event to a UIView?
...that is overwriting touch defautlt action of the view. ¿Is it possible to call default touch action of the view? Something like [super touchesBegan] ?...
– M Penades
Jul 13 '11 at 15:53
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Can an input field have two labels?
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We should all use only valid code, otherwise things might break in the future or for somebody else or with some JS library or whatever.
– SHernandez
Aug 17 '14 at 12:36
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Mongoose's find method with $or condition does not work properly
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I solved it through googling:
var ObjectId = require('mongoose').Types.ObjectId;
var objId = new ObjectId( (param.length < 12) ? "123456789012" : param );
// You should make string 'param' as ObjectId type. To avoid exception,
// the 'param' must consist of mor...
Null or default comparison of generic argument in C#
...1 that happens to implement IEquatable<T1> needs to be treated identically to a T2 that does not - so no, it will not spot a Equals(T1 other) method, even if it exists at runtime. In both cases, there is also null to think about (either object). So with generics, I would use the code I posted...