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Passing multiple values to a single PowerShell script parameter
I have a script to which I pass server name(s) in $args.
4 Answers
4
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How to 'insert if not exists' in MySQL?
... ON DUPLICATE KEY UPDATE.
Imagine we have a table:
CREATE TABLE `transcripts` (
`ensembl_transcript_id` varchar(20) NOT NULL,
`transcript_chrom_start` int(10) unsigned NOT NULL,
`transcript_chrom_end` int(10) unsigned NOT NULL,
PRIMARY KEY (`ensembl_transcript_id`)
) ENGINE=InnoDB DEFAULT CHAR...
What will happen if I modify a Python script while it's running?
Imagine a python script that will take a long time to run, what will happen if I modify it while it's running? Will the result be different?
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Can I run javascript before the whole page is loaded?
I want to run a bit of javascript before the whole page has loaded. Is this possible? Or does the code start to execute on </html> ?
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Referring to a file relative to executing script
In a bash script I'm writing, I use source to include the variable defined in a configuration file. The script to be executed is act.sh , while the script to be source d is act.conf.sh , so in act.sh I have:
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In PHP, why does not show a parse error?
...gt; (known as short_open_tag)
<?php ... ?> (the standard really)
<script language="php"> ... </script> (not recommended)
<% ... %> (deprecated and removed ASP-style tag after 5.3.0)
Apparently, you can open a PHP block one way, and close it the other. Didn't know that.
So ...
How to update attributes without validation
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Shouldn't that be
validates_length_of :title, :in => 6..255, :on => :create
so it only works during create?
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Make .gitignore ignore everything except a few files
...ns sources.
# Ignore everything
*
# But not these files...
!.gitignore
!script.pl
!template.latex
# etc...
# ...even if they are in subdirectories
!*/
# if the files to be tracked are in subdirectories
!*/a/b/file1.txt
!*/a/b/c/*
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Groovy: what's the purpose of “def” in “def x = 0”?
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It's syntactic sugar for basic scripts. Omitting the "def" keyword puts the variable in the bindings for the current script and groovy treats it (mostly) like a globally scoped variable:
x = 1
assert x == 1
assert this.binding.getVariable("x") == 1
Usi...
Android List Preferences: have summary as selected value?
... For example:
<ListPreference
android:key="pref_list"
android:title="A list of preferences"
android:summary="%s"
android:entries="@array/pref_list_entries"
android:entryValues="@array/pref_list_entries_values"
android:defaultValue="0" />
Android will replace %s with...