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Java code To convert byte to Hexadecimal
...xF, 16);
The forDigit function just maps the number you pass it onto the set of hexadecimal numbers 0-F.
Step 3: Next we need to isolate the lower order bits. Since the bits we want are already in the correct position, we can just mask them out:
1111 1110 & 0xF = 0000 0000 0000 0000 0000 00...
How do I send a file as an email attachment using Linux command line?
...runs every night on my Linux server that uses mysqldump to back up each of my MySQL databases to .sql files and packages them together as a compressed .tar file. The next step I want to accomplish is to send that tar file through email to a remote email server for safekeeping. I've been able to ...
What are JavaScript's builtin strings?
this question is difficult to summarize in a question title
7 Answers
7
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Double decimal formatting in Java
I'm having some problems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
...
Creating functions in a loop
...s late as possible (thus, when called after the end of the loop, i will be set to 2).
Easily fixed by forcing early binding: change def f(): to def f(i=i): like this:
def f(i=i):
return i
Default values (the right-hand i in i=i is a default value for argument name i, which is the left-hand...
Can a JSON value contain a multiline string
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Search and replace in Vim across all the project files
... of the more powerful full Perl regular expressions rather than the GNU subset.
ack -l 'pattern' | xargs perl -pi -E 's/pattern/replacement/g'
Explanation
ack
ack is an awesome command line tool that is a mix of grep, find, and full Perl regular expressions (not just the GNU subset). Its writt...
How to insert a character in a string at a certain position?
...e. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and ret...
Is there a way to automate the android sdk installation?
...ort #>: Proxy port to connect to.
* If the env var REPO_OS_OVERRIDE is set to "windows",
"macosx", or "linux", packages will be downloaded for that OS.
so, to update the packages run
$ sdkmanager --update
to accept the licenses
$ yes | sdkmanager --licenses
OLD ANSWER
(Please note: The andr...
Find a file in python
I have a file that may be in a different place on each user's machine. Is there a way to implement a search for the file? A way that I can pass the file's name and the directory tree to search in?
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