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What is the use case of noop [:] in bash?
...causes bash to give a syntax error:
line 4: syntax error near unexpected token `fi'
line 4: `fi'
Bash can't have empty blocks (WTF). So you add a no-op:
if [ "$foo" != "1" ]
then
#echo Success
:
fi
or you can use the no-op to comment out the lines:
if [ "$foo" != "1" ]
then
: e...
Microsoft Excel mangles Diacritics in .csv files?
I am programmatically exporting data (using PHP 5.2) into a .csv test file.
Example data: Numéro 1 (note the accented e).
The data is utf-8 (no prepended BOM).
...
How can I explicitly free memory in Python?
...do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful.
– Jason Baker
Aug 22 '09 at 19:53
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Node.js setting up environment specific configs to be used with everyauth
...
Example: on my machine the .env file is this:
NODE_ENV=dev
TWITTER_AUTH_TOKEN=something-needed-for-api-calls
My local .env overrides any environment variables. But on the staging or production servers (maybe they're on heroku.com) the environment variables are pre-set to stage NODE_ENV=stage or...
How can I parse JSON with C#?
...e(webClient.DownloadString("https://api.foursquare.com/v2/users/self?oauth_token=XXXXXXX"));
Console.WriteLine(result.response.user.firstName);
That last Console.WriteLine is pretty sweet...
share
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
... to use a framework. Your reluctance in using any framework is ridiculous. PHP is written in C. Does that mean you should write C and not use PHP? iOS has UIKit, Core Data, Quartz, etc. Flash has tons of commonly used 3rd party libraries. Again, each framework has its purpose. A purist, not-built-in...
How to create user for a db in postgresql? [closed]
...ANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_database user=tester password=test_password';
$connHandler = pg_connect($connString);
echo 'Connected to '.pg_dbname($connHandler...
How to fix 'sudo: no tty present and no askpass program specified' error?
...
-t Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine see also: sudo-no-tty-present-and-no-askpass-program-specified Also sudo -A allows setting a sudo askpass program, but I only see GU...
Add new item in existing array in c#.net
... better way to expand an array then by all means, post it. I doubt your re-allocation and manual copy will be better than using a List though. Sometimes the answer is "don't do that."
– Ed S.
Feb 14 '19 at 20:59
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How to concatenate text from multiple rows into a single text string in SQL server?
...ppears to be part of the deal. You can workaround by replacing on an added token character. For example, this does a perfect comma-delimited list for any length: SELECT STUFF(REPLACE((SELECT '#!'+city AS 'data()' FROM #cityzip FOR XML PATH ('')),' #!',', '),1,2,'')
– NReilingh
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