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How to change owner of PostgreSql database?
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Note, all tables and sequences inside the database will still be assigned to the original owner.
– Cerin
Nov 2 '16 at 0:52
2
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Running a cron job at 2:30 AM everyday
...x does it). The good think of using this tool is that if you write an invalid command you are likely to get a message prompt on the form:
$ crontab -e
crontab: installing new crontab
"/tmp/crontab.tNt1NL/crontab":7: bad minute
errors in crontab file, can't install.
Do you want to retry the same edi...
Disable all table constraints in Oracle
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It is better to avoid writing out temporary spool files. Use a PL/SQL block. You can run this from SQL*Plus or put this thing into a package or procedure. The join to USER_TABLES is there to avoid view constraints.
It's unlikely that you re...
Invoking a static method using reflection
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Subset of rows containing NA (missing) values in a chosen column of a data frame
...NULL" strings as is).
If using read.table() or read.csv(), you should consider the "na.strings" argument to do clean data import, and always work with real R NA values.
An example, working in both cases "NULL" and "NA" cells :
DF <- read.csv("file.csv", na.strings=c("NA", "NULL"))
new_DF <-...
Installing Apple's Network Link Conditioner Tool
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Excellent answer - I really didn't want to install Xcode since I don't do native iOS or Mac development. This was the only answer I've found that lets me install Network Link Conditioner without a multi-gigabyte download of Xcode.
–...
How to find an element by matching exact text of the element in Capybara
...rue instead of exact_text will show you a msg that exact option is only valid for XPATH.
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How do I merge a git tag onto a branch
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@learner a Tag identifies a specific commit. You can't merge into a specific commit so you'd need to move the tag to the commit you want. This would address the how on that: stackoverflow.com/questions/8044583/…
– Jo...
Why can I type alias functions and use them without casting?
...by reading the relevant part of the spec:
http://golang.org/ref/spec#Type_identity
The relevant distinction that I was unaware of was that of named and unnamed types.
Named types are types with a name, such as int, int64, float, string, bool. In addition, any type you create using 'type' is a nam...
Loop through each row of a range in Excel
...answered Sep 22 '09 at 23:58
David AndresDavid Andres
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