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Bash script to set up a temporary SSH tunnel
...cket'. To talk to an already-running SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket -fnNT -L 50000:localhost:3306 jm@sampledomain.com
$ ssh -S my-ctrl-socket -O check jm@sampledomain.com
Master running (p...
awk without printing newline
... Minor note: never use printf $0, since $0 may contain strings like %F, etc... Following easily fails (at least with GAWK 3.1.5): echo "%F"|awk '{printf $0}'. Use the printf "%s",$0 instead.
– Vlad
Dec 21 '16 at 5:51
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Why use a READ UNCOMMITTED isolation level?
... insert queries, make any rough estimates (like COUNT(*) or rough SUM(*)) etc.
In other words, the results the dirty read queries return are fine as long as you treat them as estimates and don't make any critical decisions based upon them.
...
Non-static variable cannot be referenced from a static context
...n you declare the local variable for that method (compareCount, low, high, etc..). The scope of this variable is only the declared method, regardless of it being a static or non static method. So you can't use those variables outside that method. This is the basic error u made.
Then we come to next...
Perform Segue programmatically and pass parameters to the destination view
...don’t pass an actual payload, pass context, like which cell/button/index/etc triggered the segue.
– trapper
Sep 27 '18 at 12:54
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How to use phpexcel to read data and insert into database?
...ize' => '20MB');
//set php excel settings
PHPExcel_Settings::setCacheStorageMethod(
$cacheMethod,$cacheSettings
);
$arrayLabel = array("A","B","C","D","E");
//=== set object reader
$objectReader = PHPExcel_IOFactory::createReader('Excel2007');
$obj...
What is the proper way to check if a string is empty in Perl?
...o do things are really, really bad (stupid, ill-advised, hard-to-maintain, etc.)
– Telemachus
Jan 12 '10 at 2:05
2
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View a file in a different Git branch without changing branches
...ou mean the actual server version? If you want that, you just need to git fetch first.
– rsmith54
Jan 25 '18 at 20:20
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Uninstalling Android ADT
... I'm asking is because my old ADT keeps throwing a wierd error (Failed to fetch URL https://dl-ssl.google.com/android/repository/addons_list.xml , reason: File not found) and I need a complete, fresh re-install.
...
Why does overflow:hidden not work in a ?
...
I'm not familiar with the specific issue, but you could stick a div, etc inside the td and set overflow on that.
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