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sed or awk: delete n lines following a pattern
...
This might work for you:
cat <<! >pattern_number.txt
> 5 3
> 10 1
> 15 5
> !
sed 's|\(\S*\) \(\S*\)|/\1/,+\2{//!d}|' pattern_number.txt |
sed -f - <(seq 21)
1
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5
9
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15
21
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demystify Flask app.secret_key
If app.secret_key isn't set, Flask will not allow you to set or access the session dictionary.
2 Answers
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Does a `+` in a URL scheme/host/path represent a space?
...' .. 'z', // alpha
'0' .. '9', // digit
'-', '.', '_', '~':; // rest of unreserved characters as defined in the RFC-3986, p.2.3
else
begin
Result[I] := '%';
Insert('00', Result, I + 1);
Result[I + 1] := HexCharArrA[(Byte(C) shr 4...
Where is git.exe located?
...a location like: C:\Users\<username>\AppData\Local\GitHub\PortableGit_<numbersandletters>\bin\git.exe
That's the situation for me, in Windows 7 + version 1.0 of GitHub for Windows.
In Windows 10 it appears to be in:
C:\Users\<username>\AppData\Local\GitHub\PortableGit_<number...
How do I insert NULL values using PDO?
...nd this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody (thank you Will Shaver for reporting.)
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How to set OnClickListener on a RadioButton in Android?
...utton) findViewById(R.id.yourFirstRadioButton);
rb.setOnClickListener(first_radio_listener);
and
OnClickListener first_radio_listener = new OnClickListener (){
public void onClick(View v) {
//Your Implementaions...
}
};
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best way to get the key of a key/value javascript object
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What if I don’t wantfoo[i]to be"_proto_"?
– user2284570
May 29 '16 at 2:04
1
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How to allow to accept only image files?
...e or not.
Check if image file is an actual image or fake image
if(isset($_POST["submit"])) {
$check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
if($check !== false) {
echo "File is an image - " . $check["mime"] . ".";
$uploadOk = 1;
}
else {
echo "F...
OS X: equivalent of Linux's wget
...p;& make -j8 && make install
Or, use a bash alias:
function _wget() { curl "${1}" -o $(basename "${1}") ; };
alias wget='_wget'
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What does ':' (colon) do in JavaScript?
... is a float. Pretty sur that's what that means.
– Sal_Vader_808
May 14 '17 at 11:08
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