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When is TCP option SO_LINGER (0) required?
...
The typical reason to set a SO_LINGER timeout of zero is to avoid large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("a...
How to set cornerRadius for only top-left and top-right corner of a UIView?
...it to your view. In my code below I was rounding the bottom corners of the _backgroundView with a radius of 3 pixels. self is a custom UITableViewCell:
UIBezierPath *maskPath = [UIBezierPath
bezierPathWithRoundedRect:self.backgroundImageView.bounds
byRoundingCorners:(UIRectCornerBottomLeft ...
Performing Inserts and Updates with Dapper
...Regex.IsMatch(storedProcedureName,
@"^[\[]{1}[A-Za-z0-9_]+[\]]{1}[\.]{1}[\[]{1}[A-Za-z0-9_]+[\]]{1}$");
}
return Regex.IsMatch(storedProcedureName, @"^[A-Za-z0-9]+[\.]{1}[A-Za-z0-9]+$");
}
/// <summary>
/// This method is us...
What is the difference between NTFS Junction Points and Symbolic Links?
... as Symlink is to Hardlink in Unix.
http://en.wikipedia.org/wiki/Symbolic_link#Windows_7_.26_Vista_symbolic_link
Windows 7 and Windows Vista support symbolic links for both files and directories with the command line utility mklink. Unlike junction points, a symbolic link can also point to a f...
Permission denied on accessing host directory in Docker
.../db:/var/db:z rhel7 /bin/sh
Will automatically do the chcon -Rt svirt_sandbox_file_t /var/db
described in the man page.
Even better, you can use Z.
docker run -v /var/db:/var/db:Z rhel7 /bin/sh
This will label the content inside the container with the exact MCS
label that the c...
How to search a Git repository by commit message?
...see git-ready link provided)
# git checkout HEAD@{10}
git checkout -b build_0051 # make a new branch with the build_0051 as the tip
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Batch file include external file for variables
...tch scripts:
@echo off
rem Empty the variable to be ready for label config_all
set config_all_selected=
rem Go to the label with the parameter you selected
goto :config_%1
REM This next line is just to go to end of file
REM in case that the parameter %1 is not set
goto :end
REM next label is to...
Understand the “Decorator Pattern” with a real world example
...ty wiki
14 revs, 5 users 88%this. __curious_geek
106
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How do I list all cron jobs for all users?
...ce, and remove any spaces from the
# beginning of each line.
function clean_cron_lines() {
while read line ; do
echo "${line}" |
egrep --invert-match '^($|\s*#|\s*[[:alnum:]_]+=)' |
sed --regexp-extended "s/\s+/ /g" |
sed --regexp-extended "s/^ //"
...
Neo4j - Cypher vs Gremlin query language
...s can be generated programmatically.
(See http://docs.sqlalchemy.org/en/rel_0_7/core/tutorial.html#intro-to-generative-selects to know what I mean.)
This seems to be a bit more tricky with Cypher.
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