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mysql error 1364 Field doesn't have a default values
...
Set a default value for Created_By (eg: empty VARCHAR) and the trigger will update the value anyways.
create table try (
name varchar(8),
CREATED_BY varchar(40) DEFAULT '' not null
);
...
How do I assign an alias to a function name in C++?
...-template non-overloaded functions you can simply use:
const auto& new_fn_name = old_fn_name;
If this function has multiple overloads you should use static_cast:
const auto& new_fn_name = static_cast<OVERLOADED_FN_TYPE>(old_fn_name);
Example: there are two overloads of function st...
How to know when UITableView did scroll to bottom in iPhone
..., inset.bottom);
// NSLog(@"pos: %f of %f", y, h);
float reload_distance = 10;
if(y > h + reload_distance) {
NSLog(@"load more rows");
}
}
Swift:
func scrollViewDidScroll(_ scrollView: UIScrollView) {
let offset = scrollView.contentOffset
let bounds = scroll...
How to find the mime type of a file in python?
...this.
# For MIME types
import magic
mime = magic.Magic(mime=True)
mime.from_file("testdata/test.pdf") # 'application/pdf'
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How to get an MD5 checksum in PowerShell
...d($file)
$buf = New-Object byte[] (1024*1024*8) # 8 MB buffer
while (($read_len = $fd.Read($buf,0,$buf.length)) -eq $buf.length){
$total += $buf.length
$md5.TransformBlock($buf,$offset,$buf.length,$buf,$offset)
Write-Progress -Activity "Hashing File" `
-Status $file -percentComple...
Using pip behind a proxy with CNTLM
...http://web-proxy.mydomain.com install somepackage
But exporting the https_proxy environment variable (note its https_proxy not http_proxy) did the trick:
export https_proxy=http://web-proxy.mydomain.com
then
sudo -E pip install somepackage
...
psql: FATAL: role “postgres” does not exist
... which will just use the latest version.
start postgres server manually: pg_ctl -D /usr/local/var/postgres start
To start server at startup
mkdir -p ~/Library/LaunchAgents
ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.post...
How to read a line from the console in C?
...r * getline(void) {
char * line = malloc(100), * linep = line;
size_t lenmax = 100, len = lenmax;
int c;
if(line == NULL)
return NULL;
for(;;) {
c = fgetc(stdin);
if(c == EOF)
break;
if(--len == 0) {
len = lenmax;
...
pinterest api documentation [closed]
...st of them are easy to guess). All of the above endpoints require an access_token parameter except for the login endpoint.
To generate a valid access_token, the developer will need to be granted access to the API by Pinterest which we all know is currently almost impossible.
Another option is to w...
How to add directory to classpath in an application run profile in IntelliJ IDEA?
... Some documentation on how -Xbootclasspath works: docs.oracle.com/cd/E15289_01/doc.40/e15062/optionx.htm#i1018570
– Lambart
May 6 '15 at 17:37
3
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