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PL/SQL, how to escape single quote in a string?
In the Oracle PL/SQL, how to escape single quote in a string ? I tried this way, it doesn't work.
4 Answers
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Fastest hash for non-cryptographic uses?
...x). It's perfect to look for duplicates and very appropriate for HashTable indexes.
In fact it's used by many of the modern databases (Redis, ElastisSearch, Cassandra) to compute all sort of hashes for various purposes. This specific algorithm was the root source of many performance improvements in...
Get content uri from file path in android
...nt URL as exact what you want. Instead there will be file Uri.
I had same question for my file explorer activity. You should know that the contenturi for file only supports mediastore data like image, audio and video. I am giving you the code for getting image content uri from selecting an image fr...
Search and replace in Vim across all the project files
...e commands using whatever grep tool you have installed. No extra plugins required!:
1. :grep <search term>
2. :cdo %s/<search term>/<replace term>/gc
3. (If you want to save the changes in all files) :cdo update
(cdo executes the given command to each term in the quickfix list, ...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...RE root run:
for /r %f in (*.pack) do "%JAVA_HOME%\bin\unpack200.exe" -r -q "%f" "%~pf%~nf.jar"
*nix
To unpack one .pack file (for example rt.pack), run:
/usr/bin/unpack200 -r -v rt.pack rt.jar
To recursively unpack all .pack files, from the JRE root run:
find -iname "*.pack" -exec sh -c "/u...
git:// protocol blocked by company, how can I get around that?
...actual problem.
Diagnosing the Problem
References: https://superuser.com/q/621870/203918 and https://unix.stackexchange.com/q/11756/57414
There are several tools we can use to determine if the firewall causing our problem - use whichever is installed on your system.
# Using nmap
# A state of "fi...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...tions. This SE clears up the difference between the two: stackoverflow.com/questions/27539262/…
– John Ernest
Jul 14 '19 at 20:40
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if a ngSrc path resolves to a 404, is there a way to fallback to a default?
The application I'm building requires my user to set 4 pieces of information before this image even has a chance of loading. This image is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 4...
How do I get Windows to go as fast as Linux for compiling C++?
...able last access time: fsutil behavior set disablelastaccess 1
Disable the indexing service
Disable your anti-virus and anti-spyware software, or at least set the relevant folders to be ignored.
Put your files on a different physical drive from the OS and the paging file. Using a separate physical d...
Homebrew: List only installed top level formulas
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Thanks! However this does show mysql as if it's not required by anything while it's actually required on my system by mysql-connector-c++. Do you happen to know if this is intentional (like if brew is keeping which formulae is installed directly not only if i...