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Use '=' or LIKE to compare strings in SQL?
There's the (almost religious) discussion, if you should use LIKE or '=' to compare strings in SQL statements.
9 Answers
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How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
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For Intellij IDEA version 11.0.2
File | Project Structure | Artifacts
then you should press alt+insert or click the plus icon and create new artifact choose --> jar --> From modules with dependencies.
Next goto Build | Build artifacts --> choose your artifact.
source:
http://b...
Getting file size in Python? [duplicate]
...ize(path) which will
Return the size, in bytes, of path. Raise OSError if the file does not exist or is inaccessible.
import os
os.path.getsize('C:\\Python27\\Lib\\genericpath.py')
Or use os.stat(path).st_size
import os
os.stat('C:\\Python27\\Lib\\genericpath.py').st_size
Or use Path(pat...
Inheriting from a template class in c++
... the way you speak about them determines the way to think about them.
Specifically, Area is not a template class, but a class template. That is, it is a template from which classes can be generated. Area<int> is such a class (it's not an object, but of course you can create an object from tha...
Open existing file, append a single line
...async Task AppendLineToFileAsync([NotNull] string path, string line)
{
if (string.IsNullOrWhiteSpace(path))
throw new ArgumentOutOfRangeException(nameof(path), path, "Was null or whitepsace.");
if (!File.Exists(path))
throw new FileNotFoundException("File not found.", name...
PostgreSQL LIKE query performance variations
...EATE INDEX tbl_col_gist_trgm_idx ON tbl USING gist (col gist_trgm_ops);
Difference between GiST and GIN index
Example query:
SELECT * FROM tbl WHERE col LIKE '%foo%'; -- leading wildcard
SELECT * FROM tbl WHERE col ILIKE '%foo%'; -- works case insensitively as well
Trigrams? What about shor...
Which $_SERVER variables are safe?
...R_SIGNATURE'
Partly server controlled
These variables depend on the specific request the client sent, but can only take a limited number of valid values, since all invalid values should be rejected by the web server and not cause the invocation of the script to begin with. Hence they can be consi...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...lertDialog which requires a Context as a parameter. This works as expected if I use:
28 Answers
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How does git store files?
...Git Community Book , and in this book they say that SVN and CVS store the difference between files and that git stores a snapshot of all the files.
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What are conventions for filenames in Go?
...y compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will only build on linux, name_amd64.go will only build on amd64. This is the same as having a //+build amd64 line at the top of the file
See th...