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How to make EditText not editable through XML in Android?
... @TomDignan great way easily to that! I do have one question. Does this in any way change the default values needed by KeyListener, like setFocusable() because the doc says that the default implementation might be changed if changed.
– Andy
Jun 26 ...
SQL WHERE.. IN clause multiple columns
...n unique rows.
WARNING ABOUT PROBLEM STATEMENT:
IN WITH MULTIPLE COLUMNS DOES NOT EXIST, THINK CAREFULLY WHAT YOU WANT
When I see an in with two columns, I can imagine it to mean two things:
The value of column a and column b appear in the other table independently
The values of column a and co...
Const before or const after?
...e reason that the position of const within specifiers prior to an asterisk does not matter is that the C grammar was defined that way by Kernighan and Ritchie.
The reason they defined the grammar in this way was likely that their C compiler parsed input from left-to-right and finished processing ea...
Get the key corresponding to the minimum value within a dictionary
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How does this work? What kind of min function is that, I thought min() only took either individual values or lists as arguments. How does it loop over all the entries in the dictionary?
– azureai
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Is floating point math broken?
...r (3/10) that happens to be easy to represent with the decimal system, but doesn't fit the binary system. It goes both ways (to some small degree) as well: 1/16 is an ugly number in decimal (0.0625), but in binary it looks as neat as a 10,000th does in decimal (0.0001)** - if we were in the habit of...
Effective way to find any file's Encoding
...g a file's endianness, by analyzing its byte order mark (BOM). If the file does not have a BOM, this cannot determine the file's encoding.
*UPDATED 4/08/2020 to include UTF-32LE detection and return correct encoding for UTF-32BE
/// <summary>
/// Determines a text file's encoding by analyzin...
ReactJS state vs prop
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Your second approach is more like it. React doesn't care about models so much as it cares about values and how they flow through your app. Ideally, your post model would be stored in a single component at the root. You then create child components that each consume par...
How do I check if a given string is a legal/valid file name under Windows?
... Windows. I've tried to use regular expression like [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check?
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How to check if a variable is set in Bash?
...this syntax & usage guarantees this will only expand to something that does not require quotes (since it either expands to x (which contains no word breaks so it needs no quotes), or to nothing (which results in [ -z ], which conveniently evaluates to the same value (true) that [ -z "" ] does a...
How to initialize HashSet values by construction?
...et<>(Arrays.asList(SET_VALUES));
Slightly less ugly and efficiency does not matter for the static initialization.
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