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Check if a string is a date value
... is an easy way to check if a value is a valid date, any known date format allowed.
20 Answers
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How to continue a task when Fabric receives an error
...e encountering an exception, execution will halt immediately.
This is typically the desired behavior, but there are many exceptions to the rule, so Fabric provides env.warn_only, a Boolean setting. It defaults to False, meaning an error condition will result in the program aborting immediately. Howe...
Maximum Length of Command Line String
...rimental testing result) characters limitation we need to dig into Windows API.
No matter how you launch program with command line arguments it goes to ShellExecute, CreateProcess or any extended their version. These APIs basically wrap other NT level API that are not officially documented. As far ...
Using curl POST with variables defined in bash script functions
... function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
cat <<EOF
{
"account...
detect key press in python?
...
Python has a keyboard module with many features. Install it, perhaps with this command:
pip3 install keyboard
Then use it in code like:
import keyboard # using module keyboard
while True: # making a loop
try: # used try so that if user pressed other than the given ...
How to get nice formatting in the Rails console
...he y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From rub...
dispatch_after - GCD in Swift?
...patch_block_t?)
dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The block is a Swift closure. Specifically, dispatch_block_t is defined as () -> Void, which is equivalent to () -> ().
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Single Page Application: advantages and disadvantages [closed]
...pages.
The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the same. if you will use a server side rendering scheme the server would then render it...
How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as "&nbsp;" -> " " , "&gt;" -> ">" .
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How can you search Google Programmatically Java API [closed]
...possible to search Google programmatically - especially if there is a Java API for it?
8 Answers
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