大约有 32,000 项符合查询结果（耗时：0.0501秒） [XML]
UILabel with text of two different colors
...xt = string
}
SWIFT 4 @kj13 Thanks for notifying
// If no text is send, then the style will be applied to full text
func setColorForText(_ textToFind: String?, with color: UIColor) {
let range:NSRange?
if let text = textToFind{
range = self.mutableString.range(of: text, options: ...
How can I use a file in a command and redirect output to the same file without truncating it?
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You cannot do that because bash processes the redirections first, then executes the command. So by the time grep looks at file_name, it is already empty. You can use a temporary file though.
#!/bin/sh
tmpfile=$(mktemp)
grep -v 'seg[0-9]\{1,\}\.[0-9]\{1\}' file_name > ${tmpfile}
cat ${tm...
How to check whether a string contains a substring in Ruby
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If case is irrelevant, then a case-insensitive regular expression is a good solution:
'aBcDe' =~ /bcd/i # evaluates as true
This will also work for multi-line strings.
See Ruby's Regexp class for more information.
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PHPExcel auto size column width
...erhaps by loading a template, or by manually calling getColumnDimension()) then it won't exist (memory saving).
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What's Pros and Cons: putting javascript in head and putting just before the body close
...If you are accessing and invoking the JavaScript functions inside the body then it must be referenced in the header so that is is loaded. Else if you are only going to call the JavaScript when the whole document is loaded then it is wise to put the JavaScript at the end of body. By putting .JS file ...
How to read keyboard-input?
... raw_input('Choose a number: ')
If you want to convert that to a number, then you should try:
number = int(nb)
... though you need to take into account that this can raise an exception:
try:
number = int(nb)
except ValueError:
print("Invalid number")
And if you want to print the numb...
XDocument.ToString() drops XML Encoding Tag
...s has the advantage that it won't go bang if there isn't a declaration :)
Then you can use:
string x = doc.ToStringWithDeclaration();
Note that that will use utf-16 as the encoding, because that's the implicit encoding in StringWriter. You can influence that yourself though by creating a subclas...
How do I pipe or redirect the output of curl -v?
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add the -s (silent) option to remove the progress meter, then redirect stderr to stdout to get verbose output on the same fd as the response body
curl -vs google.com 2>&1 | less
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...ctivity is in active Eg : !isFinishing() , if the activity is not finished then only able to show our dialog box or ui change.
@Override
protected void onPostExecute(String response_str) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() ...
How to do multiple arguments to map function where one remains the same in python?
... lists or generators. E.g.: def f(x,y,z): \\ return '.'.join([x,y,z]) and then: list(map(f, list('abc'), repeat('foo'), list('defgh'))) returns ['a.foo.d', 'b.foo.e', 'c.foo.f'].
– Pierre D
May 13 '16 at 21:23
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