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Convert int to char in java
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will print out the char with ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars(48) for example.
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Quickly create a large file on a Linux system
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Is it possible that dd is internally using that already? If I do 'dd if=/dev/zero of=zerofile bs=1G count=1' on a 3.0.0 kernel, the write finishes in 2 seconds, with a write data rate of over 500 megabytes per second. That's clearly impossible on a 2.5" laptop harddrive.
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Ruby Array find_first object?
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use array detect method if you wanted to return first value where block returns true
[1,2,3,11,34].detect(&:even?) #=> 2
OR
[1,2,3,11,34].detect{|i| i.even?} #=> 2
If you wanted to return all values where block returns true then use s...
How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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How to get the current URL within a Django template?
...mented in other answers by @Quentin and @user you should include urlencode if you plan to use it in a link, typically: .../accounts/login?next={{ request.get_full_path | urlencode }}...
– Tadeo
Jun 24 at 15:05
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Static Block in Java [duplicate]
...s loaded (or initialized, to be precise, but you usually don't notice the difference).
It can be thought of as a "class constructor".
Note that there are also instance initializers, which look the same, except that they don't have the static keyword. Those are run in addition to the code in the co...
convert '1' to '0001' in JavaScript [duplicate]
...gth - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed):
That is, with the above:
1 -> "0001"
12345 -> "12345"
Supporting negative numbers is le...
Java packages com and org
... com, edu, gov, mil, net, org, or one of the English two-letter codes identifying countries as specified in ISO Standard 3166, 1981.
Subsequent components of the package name vary according to an organization's own internal naming conventions. Such conventions might specify that certain directory na...
Why is '+' not understood by Python sets?
...for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both sets).
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Setting design time DataContext on a Window is giving a compiler error?
...te that instructs XAML processors to ignore all elements/attributes in specified namespaces if they can’t be resolved to their .NET types/members. (The namespace also has a ProcessContent attribute that overrides Ignorable for specific types inside the ignored namespaces.)
Expression Blend takes ...