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Test or check if sheet exists
...ited as existing and doesn't and has a long history - cf perl strict, STAE etc. Upvoted
– Wudang
Oct 18 '11 at 8:37
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Error-Handling in Swift-Language
...eyword) which let you achieve the same effect as finally blocks in Java/C#/etc
guard statement (using guard keyword) which let you write little less if/else code than in normal error checking/signaling code.
Swift 1
Runtime errors:
As Leandros suggests for handling runtime errors (like network...
Convert HH:MM:SS string to seconds only in javascript
...defined input. For example: it's not a string, has no ":" or only "HH:MM". etc.
– Dominik
Sep 26 '17 at 14:09
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
... A wrong hostname did give me the exact same error. Looking at the /etc/hosts file in my docker container showed me the MySql hostname to be mysql. Using this same hostname in my connect configuration resolved the issue.
– Stephane
Nov 20 '16 at 10:56
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Storing money in a decimal column - what precision and scale?
...or domain expert about accounting rules which may be applicable: GAAP, EU, etc. I vaguely recall some EU intra-state transfers with explicit rules for rounding to five decimal places, therefore using DECIMAL(p, 6) for storage. Accountants generally seem to favour four decimal places.
PS Avoid SQL...
Why fragments, and when to use fragments instead of activities?
...tures like the ActionBar, with tabs, overflow, split action bar, viewpager etc.
Bonus 2
The best way to communicate between fragments are intents. When you press something in a Fragment you would typically call StartActivity() with data on it. The intent is passed on to all fragments of the a...
Iterate all files in a directory using a 'for' loop
...*) do ( something_here )
In my case I also wanted the file content, name, etc.
This lead to a few issues and I thought my use case might help. Here is a loop that reads info from each '.txt' file in a directory and allows you do do something with it (setx for instance).
@ECHO OFF
setlocal enable...
How do you automate Javascript minification for your Java web applications?
...ros for Google Closure compiler
wro4j (Maven, servlet filters, plain Java, etc)
ant-yui-compressor (ant task for compressing JS+CSS)
JAWR
Minify Maven Plugin
humpty
Ant exec task using Terser
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Java packages com and org
... by non-profit organizations or for open source code, such as apache, w3c, etc.
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...tp://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errno:13 Permission denied'.
First I ran sudo service mongodb stop.
Then I used ls ...