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How do I check whether a file exists without exceptions?
How do I check if a file exists or not, without using the try statement?
39 Answers
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How to undo 'git reset'?
What's the simplest way to undo the
4 Answers
4
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JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...that I was passing an HTML element instead of its value, which is actually what I wanted to do (in fact in my php code I need that value as a foreign key for querying my cities table and filter correct entries).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.select...
Looping through a hash, or using an array in PowerShell
...r works well and shows how you can loop through each hash table item using the GetEnumerator method. You can also loop through using the keys property. Here is an example how:
$hash = @{
a = 1
b = 2
c = 3
}
$hash.Keys | % { "key = $_ , value = " + $hash.Item($_) }
Output:
key = c , v...
How do I enlarge an EER Diagram in MySQL Workbench?
I am working on a moderately complex schema in MySQL Workbench, and the single page of the EER diagram is now full up. Does anyone know how to enlarge it to two or more pages?
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Regex for quoted string with escaping quotes
How do I get the substring " It's big \"problem " using a regular expression?
16 Answers
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BAT file: Open new cmd window and execute a command in there
...cmd window so I don't have to open a new cmd and then find my path again.
What I found out was to use the K switch like this:
start cmd /k echo Hello, World!
start before "cmd" will open the application in a new window and "/K" will execute "echo Hello, World!" after the new cmd is up.
You can ...
Java: is there a map function?
I need a map function. Is there something like this in Java already?
6 Answers
6
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git add all except ignoring files in .gitignore file
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what if I do git add --all . what's the difference from git add . in this context?
– Katedral Pillon
May 2 '14 at 0:23
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How to collapse all methods in Xcode?
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awesome buddy. what i was looking for. Thanks
– Abdul Yasin
Mar 23 '18 at 11:52
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