How can I check if character in a string is a letter? (Python)
You can use str.isalpha(). For example: Output:
string
Multi-line strings in PHP
Well, Works. You can also use the following: or Edit based on comment: You can concatenate strings using the .= operator.
Convert hex string to int in Python
Without the 0x prefix, you need to specify the base explicitly, otherwise there’s no way to tell: With the 0x prefix, Python can distinguish hex and decimal automatically. (You must specify 0 as the base in order to invoke this prefix-guessing behavior; if you omit the second parameter int() will assume base-10.)
How do I check if string contains substring?
Like this: …or you can use the tilde operator: This works because indexOf() returns -1 if the string wasn’t found at all. Note that this is case-sensitive.If you want a case-insensitive search, you can write Or: The latter is a regular expression or regex. Regex breakdown: / indicates this is a regex yes means that … Read more
How do I check if string contains substring? [duplicate]
Like this: …or you can use the tilde operator: This works because indexOf() returns -1 if the string wasn’t found at all. Note that this is case-sensitive.If you want a case-insensitive search, you can write Or: The latter is a regular expression or regex. Regex breakdown: / indicates this is a regex yes means that … Read more
Convert String to int array in java
I have one string ie “[1,2]” is like a single string How do convert this arr to int array in java
Remove quotes from String in Python
Just use string methods .replace() if they occur throughout, or .strip() if they only occur at the start and/or finish:
bash : Bad Substitution
The default shell (/bin/sh) under Ubuntu points to dash, not bash. So if you chmod +x your_script_file.sh and then run it with ./your_script_file.sh, or if you run it with bash your_script_file.sh, it should work fine. Running it with sh your_script_file.sh will not work because the hashbang line will be ignored and the script will be … Read more
PadLeft function in T-SQL
I believe this may be what your looking for: or I haven’t tested the syntax on the 2nd example. I’m not sure if that works 100% – it may require some tweaking – but it conveys the general idea of how to obtain your desired output. EDIT To address concerns listed in the comments… @pkr298 … Read more
C++ strings and pointers
This is because you have not allocate your objects prior to using them: It’s worth adding that using pointers in this situation is, well, pointless: string objects in the standard C++ library allocate the data for the string from the heap; strings are usually not much more than a pair of pointers anyway.