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How can I do division with variables in a Linux shell?
...pansion and Shell Arithmetic in the Bash Reference Manual for all the gory details.
– Todd A. Jacobs
Aug 7 '13 at 3:26
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How do I set the size of Emacs' window?
...on, and set-frame-width. Use C-h f (aka M-x describe-function) to bring up detailed documentation.
I'm not sure if there's a way to compute the max height/width of a frame in the current windowing environment.
share
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PostgreSQL: How to pass parameters from command line?
I have a somewhat detailed query in a script that uses ? placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query.
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Create ArrayList from array
...hread, but just 2 cents as none mention Guava or other libs and some other details)
If You Can, Use Guava
It's worth pointing out the Guava way, which greatly simplifies these shenanigans:
Usage
For an Immutable List
Use the ImmutableList class and its of() and copyOf() factory methods (element...
I need to store postal codes in a database. How big should the column be?
...too big is better than annoying one customer because they cant input their details.
– Toby Allen
Nov 28 '08 at 7:42
An...
'App not Installed' Error on Android
... The solution android:testOnly="false" in Manifest does the Job !!!! Details: Samsung s5e, Android 10, Signed Release APK, v1 signature.
– jimver04
What is the proper way to re-attach detached objects in Hibernate?
...sing optimistic locking as it allows you to prevent lost updates. For more details about this topic, check out this article.
The update is good for batch updates as it can prevent the additional SELECT statement generated by the merge operation, therefore reducing the batch update execution time.
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How to build & install GLFW 3 and use it in a Linux project
...up one IDE instead of use terminal to compile and run; Could you give more details about how to do this? I tried but not successful at all
– Victor R. Oliveira
Apr 20 '14 at 22:24
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How are parameters sent in an HTTP POST request?
...ata to the remote, but they are so uncommon, that I won't go into too much detail here. But, for reference, here is an excerpt from the RFC:
Aside from dot-segments in hierarchical paths, a path segment is considered
opaque by the generic syntax. URI producing applications often use the
res...
How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...t; Select Database Connection dialog box, and connect as the HR user. (For detailed information on creating a connection from Oracle SQL Developer, see “Making Database Connections,” in the May/June 2008 issue of Oracle Magazine.)
Select your connection, and click Next. You see a list of sc...