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Count(*) vs Count(1) - SQL Server
...not the case for Oracle or most other modern RDBMS but is the case for old MySQL's storage engine, MyISAM), then COUNT(*) would just need to take the value from the metadata.
– Quassnoi
Oct 31 '18 at 18:29
...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...ient (bad move, man in the
middle attacks abound)
use makecert to create a root CA and
create certificates from that (ok
move, but there is still no CRL)
create an internal root CA using
Windows Certificate Server or other
PKI solution then trust that root
cert (a bit of a pain to manage)
purchase ...
Pinging servers in Python
...ng
It is pretty simple to use, however, when using this module, you need root access due to the fact that it is crafting raw packets under the hood.
import pyping
r = pyping.ping('google.com')
if r.ret_code == 0:
print("Success")
else:
print("Failed with {}".format(r.ret_code))
...
Search in all files in a project in Sublime Text 3
...I had to fiddle a bit with the "Where:". I thought it was from the project root, but if the root is proj and I want to search in proj/src, I have to type proj/src in Where.
– Ivan
Dec 11 '13 at 17:12
...
Storing money in a decimal column - what precision and scale?
...
For Mysql, I recommend storing the integer (2500) as a bigint if you intend on sorting by the amount. And don't waste your time with PHP 32bit when dealing with big integers, upgrade to 64bit or Node.JS ;)
–...
How can I view an old version of a file with Git?
...
You can use git show with a path from the root of the repository (./ or ../ for relative pathing):
$ git show REVISION:path/to/file
Replace REVISION with your actual revision (could be a Git commit SHA, a tag name, a branch name, a relative commit name, or any oth...
How do I list all files of a directory?
... os
# Getting the current work directory (cwd)
thisdir = os.getcwd()
# r=root, d=directories, f = files
for r, d, f in os.walk(thisdir):
for file in f:
if file.endswith(".docx"):
print(os.path.join(r, file))
os.listdir(): get files in the current directory (Python 2)
...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...*/
/* bit 1 allows to know whether the previous block is free */
union {
struct free_ptr_struct free_ptr;
u8_t buffer[1]; /*sizeof(struct free_ptr_struct)]; */
} ptr;
} bhdr_t;
/* This structure is embedded at the beginning of each area, giving us
* eno...
Where do I put image files, css, js, etc. in Codeigniter?
... One better might be to have a your assets folder in the web root (mine is public_html) folder and then CI in a directory above the web root.
– Nate Nolting
Aug 7 '14 at 21:39
...
What's the right way to pass form element state to sibling/parent elements?
...ectly, your first solution is suggesting that you're keeping state in your root component? I can't speak for the creators of React, but generally, I find this to be a proper solution.
Maintaining state is one of the reasons (at least I think) that React was created. If you've ever implemented your...