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How to do a recursive find/replace of a string with awk or sed?
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find /home/www \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i 's/subdomainA\.example\.com/subdomainB.example.com/g'
-print0 tells find to print each of the results separated by a null character, rather than a new...
Which MySQL data type to use for storing boolean values
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@Pecerier Nothing you couldn't google yourself, but ok, I'll bite. First of all, please take a look at data0type.h. Please note that innodb does not natively define a BIT type there. If it would treat BIT fields in the way you describe, surely we'd find so...
What version of javac built my jar?
...d look at byte offsets 4 through 7. The version information is built in.
http://en.wikipedia.org/wiki/Java_class_file
Note: As mentioned in the comment below,
those bytes tell you what version the class has been compiled FOR, not
what version compiled it.
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How to convert an Array to a Set in Java
...t towards the standard new HashSet<T>(Arrays.asList(someArray)). See google.github.io/guava/releases/19.0/api/docs/com/google/common/…
– Alexander Klimetschek
Nov 11 '16 at 1:51
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“date(): It is not safe to rely on the system's timezone settings…”
... file:
[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = America/New_York
If not, add it (replacing the timezone by yours). After configuring, make sure to restart httpd (service httpd restart).
Here is the list of supported timezones...
Checking if a field contains a string
...on, like shown below:
db.users.findOne({"username" : /.*son.*/i});
See: http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-RegularExpressions
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Conditional formatting based on another cell's value
I'm using Google Sheets for a daily dashboard. What I need is to change the background color of cell B5 based on the value of another cell - C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
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Lodash - difference between .extend() / .assign() and .merge()
...e to destination.
Here's simple JSBin that would make this crystal clear:
http://jsbin.com/uXaqIMa/2/edit?js,console
Here's more elaborate version that includes array in the example as well:
http://jsbin.com/uXaqIMa/1/edit?js,console
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Sending message through WhatsApp
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UPDATE
Please refer to https://faq.whatsapp.com/en/android/26000030/?category=5245251
WhatsApp's Click to Chat feature allows you to begin a chat with
someone without having their phone number saved in your phone's
address book. As long as ...
How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
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Here is solution: http://middlesphere-1.blogspot.ru/2014/06/this-code-allows-to-break-limit-if.html
//this code allows to break limit if client jdk/jre has no unlimited policy files for JCE.
//it should be run once. So this static section is ...