大约有 10,151 项符合查询结果（耗时：0.0216秒） [XML]
How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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Validate phone number with JavaScript
I found this code in some website, and it works perfectly. It validates that the phone number is in one of these formats:
(123) 456-7890 or 123-456-7890
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How to remove a column from an existing table?
How to remove a column from an existing table?
11 Answers
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How can I truncate a double to only two decimal places in Java?
For example I have the variable 3.545555555, which I would want to truncate to just 3.54.
15 Answers
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Git - How to fix “corrupted” interactive rebase?
I managed to create a little mess in my local git repository. I was trying to fix a broken commit by using the following instructions . Before running the "git commit --amend" (and after the git rebase --interactive) I decided that my changes were incorrect and so I executed "git reset HEAD --hard"...
Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
I keep getting the following error:
17 Answers
17
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What linux shell command returns a part of a string? [duplicate]
I want to find a linux command that can return a part of the string. In most programming languages, it's the substr() function. Does bash have any command that can be used for this purpose. I want to be able to do something like this...
substr "abcdefg" 2 3 - prints cde .
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How can I fill out a Python string with spaces?
I want to fill out a string with spaces. I know that the following works for zero's:
13 Answers
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
I just uninstalled my older versions of Ruby, removed all of my gems
(including Rails), and installed Ruby 2.0. In other words, a totally clean re-install. Upon starting IRB, I received this message:
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Definitive way to trigger keypress events with jQuery
I've read all the answers on to this questions and none of the solutions seem to work.
10 Answers
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