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How to document a string type in jsdoc with limited possible values
...t least declare the enum to JSDOC, for this, though. But the code is clean and you get auto-completion in WebStorm.
The multiple files problem though cannot be solved this way.
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What does “%.*s” mean in printf?
...point to somewhere inside the original string (possibly at the beginning), and str_len will specify the length of the sub-string that should be printed.
– Sonic Atom
Jan 25 '16 at 13:37
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Why can't an anonymous method be assigned to var?
...to be the default instead of Predicate or Action or any other possibility? And, for lambdas, why is it obvious that the intention is to choose the delegate form, rather than the expression tree form?
But we could say that Func is special, and that the inferred type of a lambda or anonymous method i...
What is the best way to use a HashMap in C++?
I know that STL has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this.
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Group by multiple columns in dplyr, using string vector input
...orm(100)
)
# Columns you want to group by
grp_cols <- names(df)[-3]
# Convert character vector to list of symbols
dots <- lapply(grp_cols, as.symbol)
# Perform frequency counts
df %>%
group_by_(.dots=dots) %>%
summarise(n = n())
output:
Source: local data frame [9 x 3]
Grou...
Password hint font in Android
...rent solutions, the second of which has better behavior for me:
1) Remove android:inputType="textPassword" from your xml file and instead, in set it in java:
EditText password = (EditText) findViewById(R.id.password_text);
password.setTransformationMethod(new PasswordTransformationMethod());
Wit...
Hibernate: hbm2ddl.auto=update in production?
...l, such as pushing the length of a String column up over 255 and seeing it convert to text, mediumtext, etc etc.
Granted, I don't think there is really a way to "convert datatypes" with without creating a new column, copying the data and blowing away the old column. But the minute your database ha...
Getting current unixtimestamp using Moment.js
...to get the Unix TimeStamp using Moment.js.
I can find many functions which convert timestamp to date in moment.js.
I know that I can easily get the unix timestamp by using the following JavaScript function: Math.floor(new Date().getTime()/1000) .
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Difference between case object and object
Is there any difference between case object and object in scala?
7 Answers
7
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What happens to C# Dictionary lookup if the key does not exist?
...{
// Key wasn't in dictionary; "value" is now 0
}
(Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.)
Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary<,> will throw an excep...