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Create Django model or update if exists
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178
If you're looking for "update if exists else create" use case, please refer to @Zags excellent...
What Does 'Then' Really Mean in CasperJS
...r = require('casper').create();
casper.start();
casper.then(function step1() {
this.echo('this is step one');
});
casper.then(function step2() {
this.echo('this is step two');
});
casper.thenOpen('http://google.com/', function step3() {
this.echo('this is step 3 (google.com is loaded...
SQL update trigger only when column is modified
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128
You have two way for your question :
1- Use Update Command in your Trigger.
ALTER TRIGGER [d...
I want to copy table contained from one database and insert onto another database table
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218
If you want to copy a table from one Database to another database , You can simply do as below....
Python strptime() and timezones?
...'t work with %Z, so the case is important. See the following example:
In [1]: from datetime import datetime
In [2]: start_time = datetime.strptime('2018-04-18-17-04-30-AEST','%Y-%m-%d-%H-%M-%S-%Z')
In [3]: print("TZ NAME: {tz}".format(tz=start_time.tzname()))
TZ NAME: None
In [4]: start_time = d...
Android: HTTP communication should use “Accept-Encoding: gzip”
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174
You should use http headers to indicate a connection can accept gzip encoded data, e.g:
HttpU...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
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How to add multi line comments in makefiles
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154
No, there is nothing like C-style /* */ comments in makefiles. As somebody else suggested, yo...
Why doesn't c++ have &&= or ||= for booleans?
...alent to the logical operations, as long as both operands are of type bool.1
Contrary to what other people have said here, a bool in C++ must never have a different value such as 2. When assigning that value to a bool, it will be converted to true as per the standard.
The only way to get an invali...
How do I keep jQuery UI Accordion collapsed by default?
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