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UnicodeEncodeError: 'latin-1' codec can't encode character
...p1252')
'He said \x93Hello\x94'
If you are using your database only as a byte store, you can use cp1252 to encode “ and other characters present in the Windows Western code page. But still other Unicode characters which are not present in cp1252 will cause errors.
You can use encode(..., 'ignor...
Value of type 'T' cannot be converted to
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This feels like a mistake by the compiler designers. If all T can be explcitly cast to object and all object can be explcitly cast to string then there should exist a transitive rule that T can be explicitly cast to string. If you incorrectly perfo...
Rails - Validate Presence Of Association?
... the answer, validates_associated checks if the associated object is valid by running the associated class validations. It does not check for the presence. It's also important to note that a nil association is considered valid.
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Is it correct to use alt tag for an anchor link?
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Such things are best answered by looking at the official specification:
go to the specification: https://www.w3.org/TR/html5/
search for "a element": https://www.w3.org/TR/html5/text-level-semantics.html#the-a-element
check "Content attributes", which l...
NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
... an AssertionException. This is done
/// to make sure there is no mistake by calling this function.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
[EditorBrowsable(EditorBrowsableState.Never)]
public static new bool Equals(object a, objec...
Python Write bytes to file
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If you want to write bytes then you should open the file in binary mode.
f = open('/tmp/output', 'wb')
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Ineligible Devices section appeared in Xcode 6.x.x
... case of changing name of Xcode project. The fix it - create a new scheme by selecting Manage Schemes > (+) button. (thanks, @dale-moore)
Beta to Release upgrade of Xcode can require upgrading iOS or watchOS from beta to release version. For example, when switching from Xcode 8 beta 6 to Xcode 8...
How can I display just a portion of an image in HTML/CSS?
...is-length y-axis-length at x-coordinate y-coordinate).
polygon — defined by a series of x/y coordinates in relation to the element's origin of the top-left corner. As the path is closed automatically the realistic minimum number of points for a polygon should be three, any fewer (two) is a line or...
Is there a Google Keep API? [closed]
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@BrunoLemos : I am 99% sure it's seen by now ! because it's in top10 issues right now and Google always pays attention to issues.but i don't know how to contact directly and what's their answer :(
– Iman Mirzadeh
Aug 1 '15 a...
Java synchronized method lock on object, or method?
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If you declare the method as synchronized (as you're doing by typing public synchronized void addA()) you synchronize on the whole object, so two thread accessing a different variable from this same object would block each other anyway.
If you want to synchronize only on one variab...