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How do I remove the old history from a git repository?
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I had to do git filter-branch --tag-name-filter cat -- --all to update tags. But I've also got older tags pointing to the old history that I want to delete. How can I get rid of all those old tags? If I don't delete them, then the older history doesn't disappear and I can ...
How to perform a mysqldump without a password prompt?
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to add a level of security, you should use a dedicated, non database specific, readonly user, and in no case the root user. It can be done like this: GRANT LOCK TABLES, SELECT ON *.* TO 'BACKUPUSER'@'%' IDENTIFIED BY 'PASSWORD';
– gadjou
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Importing CommonCrypto in a Swift framework
...pt."
exit 0
fi
mkdir -p "${BUILT_PRODUCTS_DIR}/CommonCryptoModuleMap"
cat <<EOF > "${BUILT_PRODUCTS_DIR}/CommonCryptoModuleMap/module.modulemap"
module CommonCrypto [system] {
header "${SDKROOT}/usr/include/CommonCrypto/CommonCrypto.h"
export *
}
EOF
Using shell code and ${SD...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...is best practice to have a text file always end with a linefeed. otherwise cat file garbles your command line and subversion complains. vi always appends one.
– user829755
May 20 '13 at 17:10
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How do I undo 'git add' before commit?
...t add you want to recover (61/3AF3... -> object id 613AF3...), then git cat-file -p <object-id> (might be worth it to recover several hours of work but also a lesson to commit more often...)
– Peter Schneider
Jul 31 '17 at 14:03
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When is the init() function run?
...n the package.
For example
config.go:
var ConfigSuccess = configureApplication()
func init() {
doSomething()
}
func configureApplication() bool {
l4g.Info("Configuring application...")
if valid := loadCommandLineFlags(); !valid {
l4g.Critical("Failed to load Command Line Fla...
What is an “unwrapped value” in Swift?
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Example:
var canBeNil : Int? = 4
canBeNil = nil
The question mark indicates the fact that canBeNil can be nil.
This would not work:
var cantBeNil : Int = 4
cantBeNil = nil // can't do this
To get the value from your variable if it is optional, you have to unwrap it. This just means putting ...
How to create a trie in Python
...till think that your answer needs a bit more deeper explanation and clarification since my question is aimed at figuring out the logic and structure of the functionality of DAWGs and TRIEs. Your further input will be very useful and appreciated.
– Phil
Jun 13 '...
Convert .pem to .crt and .key
Can anyone tell me the correct way/command to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
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How to trim whitespace from a Bash variable?
...e:]]*\$//g'" to your ~/.profile allows you to use echo $SOMEVAR | trim and cat somefile | trim.
– instanceof me
Mar 19 '13 at 15:59
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