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How do I concatenate two text files in PowerShell?
...hell converts the type command to Get-Content, which means you will get an error when using the type command in PowerShell because the Get-Content command requires a comma separating the files. The same command in PowerShell would be
Get-Content file1.txt,file2.txt,file3.txt | Set-Content files.txt...
How to get the position of a character in Python?
...the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1
Using index()
>>> myString = 'Position of a character'
>>> my...
Insert HTML with React Variable Statements (JSX)
...
To avoid linter errors, I use it like this:
render() {
const props = {
dangerouslySetInnerHTML: { __html: '<br/>' },
};
return (
<div {...props}></div>
);
}
...
Meaning of tilde in Linux bash (not home directory)
...e expansion is done, ~x means the home directory of user 'x' (and it is an error if user 'x' does not exist).
It might be worth mentioning that:
cd ~- # Change to previous directory ($OLDPWD)
cd ~+ # Change to current directory ($PWD)
I can't immediately find a use for '~+', unless...
Putting a simple if-then-else statement on one line [duplicate]
...ou can't omit the else when using the ternary form, it results in a syntax error, but you could do a normal if in one line , I updated the samples to illustrate.
– cmsjr
Feb 15 '17 at 3:42
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How do I use grep to search the current directory for all files having the a string “hello” yet disp
...
grep -l hello **/*.{h,cc}
You might want to shopt -s nullglob to avoid error messages if there are no .h or no .cc files.
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...ing View.inflate instead of inflating from a layoutinflater makes the lint error disappear.
Thought I'd post this here since this thread is at the top of the Google Search...
view = View.inflate(context,R.layout.custom_layout,null);
...
Case-insensitive search
...t to say "no measures"): s = 'a[b'; r = new RegExp(s) results in a syntax error (unterminated character class)
– glenn jackman
Jan 26 '10 at 17:47
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is it possible to update UIButton title/text programmatically?
...tton
setAttributedTitle:[[NSAttributedString alloc] initWithString:@"Error !!!" attributes:nil]
forState:UIControlStateDisabled];
[self.loginButton setEnabled:NO];
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How can I search (case-insensitive) in a column using LIKE wildcard?
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In MySQL 5.6 I get ERROR 1273 (HY000): Unknown collation: 'utf_general_ci'. I'd guess this collation has been removed from MySQL? utf8_general_ci works fine, though.
– Mark Amery
Apr 22 '14 at 13:48
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