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Named placeholders in string formatting
...the file won't be loaded into memory.
– Edward Corrigall
Sep 20 '19 at 17:44
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(Built-in) way in JavaScript to check if a string is a valid number
...er". "not a number" is not the same as "IEEE-794 NaN", which is what isNaN tests for. In particular, this usage fails when testing booleans and empty strings, at least. See developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/….
– EML
Dec 30 '13 at 0:33
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How to print a string in fixed width?
I have this code (printing the occurrence of the all permutations in a string)
5 Answers
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Extract a substring according to a pattern
... sub to replace it with a colon first. For example, if the separator were _ then string <- sub("_", ":", string)
c(read.dcf(textConnection(string)))
## [1] "E001" "E002" "E003"
7) separate
7a) Using tidyr::separate we create a data frame with two columns, one for the part before the colon and o...
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...orums.developer.apple.com/thread/4743#14441
UPDATE
OK, here’s the latest.
This is a complex problem with multiple
possible causes:
Some instances of the problem are caused by incorrect
app signing. You can easily distinguish this case because the problem
is 100% reproducible...
How to parse float with two decimal places in javascript?
I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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How to parse JSON in Java
...ike github.com/eishay/jvm-serializers, github.com/novoj/JavaJsonPerformanceTest or developer.com/lang/jscript/… -- I have not seen this library included in tests, or mentions of it being widely used.
– StaxMan
Oct 24 '14 at 5:12
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What is the difference between ? and Object in Java generics?
... type of ?. Not everything matches Object, but everything matches ?.
int test1(List<?> l) {
return l.size();
}
int test2(List<Object> l) {
return l.size();
}
List<?> l1 = Lists.newArrayList();
List<Object> l2 = Lists.newArrayList();
test1(l1); // compiles because any...
Best way to resolve file path too long exception
I created a app that downloads all document libraries in a SP Site , but at one point it giving me this error (I tried looking at google but couldn;t find anything, now if anyone knows any trick to solve this problem please respond otherwise thanks for looking at it)
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Accessing dict_keys element by index in Python3
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Call list() on the dictionary instead:
keys = list(test)
In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dictionary into a list results in a list of all the keys...