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Redis strings vs Redis hashes to represent JSON: efficiency?
...is).configure( hash_max_ziplist_value: 64, hash_max_ziplist_entries: 512 ).new
=> #<Redis client v4.0.1 for redis://127.0.0.1:6379/0>
> redis.flushdb
=> "OK"
> ap redis.info(:memory)
{
"used_memory" => "529512",
**"used_memory_human" => ...
How to export table as CSV with headings on Postgresql?
...an also write a query for getting only selected column data.
COPY (select id,name from tablename) TO 'filepath/aa.csv' DELIMITER ',' CSV HEADER;
with admin privilege
\COPY (select id,name from tablename) TO 'filepath/aa.csv' DELIMITER ',' CSV HEADER;
...
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
...on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out like it has reached a breakpoint, but it is not the case, in fact it stops on a Java source file that is T...
Get the string representation of a DOM node
...) {
if (typeof(XMLSerializer) !== 'undefined') {
var serializer = new XMLSerializer();
return serializer.serializeToString(node);
} else if (node.xml) {
return node.xml;
}
}
share
|
...
Use NUnit Assert.Throws method or ExpectedException attribute?
...id IsValidLogFileName_nullFileName_ThrowsExcpetion()
{
var a = new MyTestObject();
// the exception we expect thrown from the IsValidFileName method
var ex = Assert.Throws<ArgumentNullException>(() => a.IsValidLogFileName(""));
// now we can test the ex...
How to turn on WCF tracing?
..."WCF Service Configuration Editor")
Open your .config file or create a new one using the editor and navigate to Diagnostics.
There you can click the "Enable MessageLogging".
More info: https://msdn.microsoft.com/en-us/library/ms732009(v=vs.110).aspx
With the trace viewer from the same direc...
What do helper and helper_method do?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3992659%2fwhat-do-helper-and-helper-method-do%23new-answer', 'question_page');
}
);
...
How to change Xcode Project name
...ecnec now I want to change my app name I have replace my old app name with new one as I have found the name in my app, but its still giving me one error...
...
Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...lose/stop it or configure your server to use another port.
To check if the new choosen port (let's say 8010) is available do this:
netstat -ano | grep 8010
If it does not return any lines then you are fine.
To change the port go to the Server view, open server.xml and change the port there.
Mine...
How to add extra namespaces to Razor pages instead of @using declaration?
...sed the WebForms namespaces config section. However in the Beta there is a new config section that is seperate from the WebForms one. You will need to add the follwing to your web.config file (or just start with a brand new project from the template):
<configSections>
<sectionGroup name=...