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...的工具php-svn-hook，不过我们这里选择自己实现：
shell> cat /path/to/repository/hooks/pre-commit
#!/bin/bash
REPOS="$1"
TXN="$2"
SVNLOOK="/usr/bin/svnlook"
PHP="/usr/bin/php"
LOG=$($SVNLOOK log -t "$TXN" "$REPOS")
if [ "$LOG" = "" ]; then
echo "Please input lo...
Disable password authentication for SSH [closed]
...
# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication no
Uncomment the second line, and, if needed, change yes to no.
Then run
service ssh restart
share
|
improve th...
Git command to show which specific files are ignored by .gitignore
...l answer 42009)
git ls-files -i
should work, except its source code indicates:
if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);
exc_given ?
It turns out it need one more parameter after th...
How to use R's ellipsis feature when writing your own function?
...parameter in advance, however, as it adds some ambiguity and further complication to the argument string (and makes the function signature unclear to any other user). The argument list is an important piece of documentation for function users.
Otherwise, it is also useful for cases when you want t...
Allow user to set up an SSH tunnel, but nothing else
...say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
10 ...
How do I list all cron jobs for all users?
...ktemp) || exit 1
# Add all of the jobs from the system-wide crontab file.
cat "${CRONTAB}" | clean_cron_lines | lookup_run_parts >"${temp}"
# Add all of the jobs from the system-wide cron directory.
cat "${CRONDIR}"/* | clean_cron_lines >>"${temp}" # */ <not a comment>
# Add each...
Why should I care about lightweight vs. annotated tags?
...or lightweight tags, the SHA-1 points directly to a commit:
git tag light
cat .git/refs/tags/light
prints the same as the HEAD's SHA-1.
So no wonder they cannot contain any other metadata.
annotated tags point to a tag object in the object database.
git tag -as -m msg annot
cat .git/refs/tags/a...
Fast way of finding lines in one file that are not in another?
...(This will have have different output to the diff method if there are duplicates.)
In the event that the files are sufficiently large that storing them both causes a memory problem, you can trade CPU for memory by storing only file1 and deleting matches along the way as file2 is read.
BEGIN { FS="...
Shell - Write variable contents to a file
...ests that $destdir represents a file.
The > appends the text after truncating the file. If you only want to append the text in $var to the file existing contents, then use >> instead:
echo "$var" >> "$destdir"
The cp command is used for copying files (to files), not for writing te...
App Inventor 2 文本代码块 · App Inventor 2 中文网
...符串，则认为它在ASCII顺序上大于另一个字符串，比如：cat > Cat。
删除空格
删除输入字符串前面或尾部的任何空格并返回结果。注：不会删除中间的任何空格！
大写
返回转换为全部大写的文本字符串的副本。
小写
...