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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...icate. Do not forget that many similar questions existed when I asked this one (see e.g. the list below). However, none of these answers solved my problem . After a long search I found a comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment h...
Creating an empty Pandas DataFrame, then filling it?
...ating a data frame with index x 0 dimensions (columns = []), and attaching one column in each turn of a loop. I mean df[col_name] = pandas.Series([...]) in a loop iterating through column names. In the former case, not only the memory allocation takes time, but replacing NaNs with new values seems e...
What is __stdcall?
...and it must not be confused with _standard_call in that it is standard-c ! one might think that would be the point of __stdcall if one doesnt know better
– Johannes Schaub - litb
Nov 18 '08 at 2:38
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Difference of keywords 'typename' and 'class' in templates?
...c cases where there is a difference between typename and class.
The first one is in the case of dependent types. typename is used to declare when you are referencing a nested type that depends on another template parameter, such as the typedef in this example:
template<typename param_t>
clas...
How do I use boolean variables in Perl?
... the right argument. Its not boolean but sometimes you may want to know if one argument ir equal or less than or greater than the other instead of just equal or not equal.
– user118435
Jun 24 '09 at 6:47
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“Conversion to Dalvik format failed with error 1” on external JAR
... after javadoc generated code will works fine.Please check this too if any one still occurs.
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...ly easier transition for programmers detoxing from the RDBMS world. Unless one's used to it Lucene & Solr have a steeper learning curve.
There aren't many examples of using Lucene/Solr as a datastore, but Guardian has made some headway and summarize this in an excellent slide-deck, but they too ...
Is there any significant difference between using if/else and switch-case in C#?
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Hey, I owe you an apology. Sorry for being a bone head.
– Scott Wisniewski
Dec 28 '08 at 8:39
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Why is try {…} finally {…} good; try {…} catch{} bad?
...exception within their scope. Anything else should be passed along for someone else to handle. If I have an application that gets a file name from users then reads the file, and my file reader gets an exception opening the file, it should pass them up (or consume the exception and throw a new one) s...
How do Mockito matchers work?
... be free of side effects, and are generally used in assertions such as the one below.
/* Mockito */ verify(foo).setPowerLevel(gt(9000));
/* Hamcrest */ assertThat(foo.getPowerLevel(), is(greaterThan(9000)));
Mockito matchers exist, separate from Hamcrest-style matchers, so that descriptions of mat...