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Couldn't connect to server 127.0.0.1:27017
...
This it's because the mongod process it's down, you must to run the commands bellow in order to get up the mongod process:
~$ sudo service mongodb stop
~$ sudo rm /var/lib/mongodb/mongod.lock
~$ sudo mongod --repair --dbpath /var/lib/mongodb
~$ sudo mongod --fork...
What does tree-ish mean in Git?
...ies. See: stackoverflow.com/a/25806452/895245 . So the question then comes down to: are all blob-ishes also tree-ishes? As far as I can tell yes: all man pages that use <tree-ish> accept both, and man gitrevisions defines: trees ("directories of files").
– Ciro Santilli ...
How do I paste multi-line bash codes into terminal and run it all at once?
...le:
$ (
sudo apt-get update
dokku apps
dokku ps:stop APP # repeat to shut down each running app
sudo apt-get install -qq -y dokku herokuish sshcommand plugn
dokku ps:rebuildall # rebuilds all applications
)
share
...
Key hash for Android-Facebook app
...an Android app, in which I want to integrate a Facebook
posting feature. I downloaded the Facebook-Android SDK, and I got
the readme.md (text file) in there, in which it is mentioned to generate
the key hash for Android. How do I generate it?
...
Displaying the #include hierarchy for a C++ file in Visual Studio
...is providing its most recent releases for free from the above website. The down side is it only works on full versions of Visual Studio from VS2005 to VS2013.
– Dana
Jun 29 '18 at 1:53
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Is floating point math broken?
...s. There's truncate, round-towards-zero, round-to-nearest (default), round-down, and round-up. All methods introduce an element of error of less than one unit in the last place for a single operation. Over time and repeated operations, truncation also adds cumulatively to the resultant error. This t...
How do you match only valid roman numerals with a regular expression?
...s:
^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$
Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple:
0: <empty> matched by M{0}
1000: M matched by M{1}
2000: MM matched by M{2}
3000...
PHP Fatal error: Cannot redeclare class
... AaronLS's answer is much higher rated, and you can find it way down here.
– qris
Oct 7 '14 at 11:48
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How can I avoid Java code in JSP files, using JSP 2?
...
@MrSpoon tracked down an answer for you. As per this answer + comment, this turns off scriptlets <% %>, scriptlet expressions <%! %>, and scriptlet declarations <%= %>. That means directives <%@ %> and comments <%--...
How/When does Execute Shell mark a build as failure in Jenkins?
... to do deployment, that may result in bad code getting pushed and bringing down your site.
If you have a line in your script where failure is expected, like a grep or a find, then just add || true to the end of that line. That ensures that line will always return success.
If you need to use that...