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How to override trait function and call it from the overridden function?
...ence: If your trait function would be static you could access the function by calling A::calc(1)
– velop
Mar 24 '17 at 22:26
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Why is “while ( !feof (file) )” always wrong?
...nactionable, and thus meaningless. So what if the container says "yes" – by the time you try reading, it may no longer have data. Similarly, if the answer is "no", by the time you try reading, data may have arrived. The conclusion is that there simply is no property like "I have data", since you c...
How to only find files in a given directory, and ignore subdirectories using bash
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You gain reputation by giving good answers. Please read this stackoverflow.com/conduct
– aifrim
May 21 at 23:10
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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
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To prevent that people are mislead by some of the comments to the other answers:
If .schema or query from sqlite_master not gives any output, it indicates a non-existent tablename, e.g. this may also be caused by a ; semicolon at the end for .schema, .table...
How do I store an array in localStorage? [duplicate]
... converted to a JSON-string before saving and parsed before it is returned by the getter.
Source: http://www.acetous.de/p/152
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Restricting input to textbox: allowing only numbers and decimal point
...: I edited my example above so that there can only be one period, preceded by at least one digit and followed by at least one digit.
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Why isn't String.Empty a constant?
...y is used instead of const is due to use with unmanaged code, as indicated by Microsoft here in the Shared Source Common Language Infrastructure 2.0 Release. The file to look at is sscli20\clr\src\bcl\system\string.cs.
The Empty constant holds the empty
string value. We need to call the
Stri...
What is memory fragmentation?
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Imagine that you have a "large" (32 bytes) expanse of free memory:
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Now, allocate some of it (5 allocations):
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How to read file from relative path in Java project? java.io.File cannot find the path specified
...ystem) or even a network path which are both not per definition digestable by File constructor.
If the file is -as the package name hints- is actually a fullworthy properties file (containing key=value lines) with just the "wrong" extension, then you could feed the InputStream immediately to the lo...
String to object in JS
...is not a valid JSON string AND the input string references other variables by name.
– Philippe Leybaert
Oct 16 '13 at 21:20
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