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How should one go about choosing a default TCP/IP port for a new service?
...n on a TCP/IP port, how should one go about selecting a default port? Assum>me m> that this app will be installed on many computers, and that avoiding port conflicts is desired.
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Why static classes cant implem>me m>nt interfaces? [duplicate]
...ository etc).
Because such a repository would be used throughout the runtim>me m> of my application it seem>me m>d like a sensible thing to m>me m> to make it a static class so I could go
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List all indexes on ElasticSearch server?
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curl http://localhost:9200/_aliases?pretty=true
The result will look som>me m>thing like this, if your indices are called old_deuteronomy and mungojerrie:
{
"old_deuteronomy" : {
"aliases" : { }
},
"mungojerrie" : {
"aliases" : {
"rumpleteazer" : { },
"that_horrible_cat" : ...
First letter capitalization for EditText
...tText view showing inside. When I select the EditText view, the keyboard com>me m>s up to enter text, as it should. In most applications, the default seems to be that the shift key is held for the first letter... although it does not do this for my view. There has to be a simple way to fix, but I've sear...
Bootstrap: How do I identify the Bootstrap version?
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In the top of the bootstrap.css you should have comm>me m>nts like the below:
/*!
* Bootstrap v2.3.1
*
* Copyright 2012 Twitter, Inc
* Licensed under the Apache License v2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Designed and built with all the love in the world ...
Prevent form redirect OR refresh on submit?
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I rem>me m>mber the mom>me m>nt that I learned one could return false from a from a submit to not submit was also the mom>me m>nt that I started to really like the Javascript/DOM system.
– Imagist
Aug 12 '...
insert a NOT NULL column to an existing table
...en you run this code on Microsoft SQL server. If you want to perform the sam>me m> operation on Oracle or MySQL you need to use semicolon ; like that:
ALTER TABLE MY_TABLE ADD STAGE INT NULL;
UPDATE MY_TABLE SET <a valid not null values for your column>;
ALTER TABLE MY_TABLE ALTER COLUMN STAGE INT...
Deleting DataFram>me m> row in Pandas based on column value
I have the following DataFram>me m>:
10 Answers
10
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How to check if a symlink exists
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Just wanted to add a little som>me m>thing to the tip given by @Sam; when doing these sorts of operations make sure to put your file nam>me m> in quotes, to prevent issues with whitespaces. e.g. if [ ! -L "$mda" ]; then ... fi (note: if [ ! ... ] and if ! [ ... ] ...