大约有 40,000 项符合查询结果（耗时：0.0664秒） [XML]
Illegal string offset Warning PHP
...ad the strage content like this. array(2) { ["host"]=> string(9) "127.0.0.1" ["port"]=> string(5) "11211" } string(5) "m_prefix" PHP 5.4 now $xx['host'] threw the warning correctly.
– thesonix
Mar 26 '12 at 9:17
...
How to call an external command?
...cho $PATH by using call(["echo", "$PATH"]), but it just echoed the literal string $PATH instead of doing any substitution. I know I could get the PATH environment variable, but I'm wondering if there is an easy way to have the command behave exactly as if I had executed it in bash.
...
How to match, but not capture, part of a regex?
I have a list of strings. Some of them are of the form 123-...456 . The variable portion "..." may be:
7 Answers
...
Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
...gramming languages, anyway) for there to be embedded Unicode characters in string constants, for example. The problems start happening when the language parser encounters the characters when it doesn't expect them.
share
...
How to create a custom attribute in C#
...gt;
/// blah blah code.
/// </summary>
[DataMember]
[StringLengthValidator(8, RangeBoundaryType.Inclusive, 8, RangeBoundaryType.Inclusive, MessageTemplate = "\"{1}\" must always have \"{4}\" characters.")]
public string Code { get; set; }
From the snippet above, one might...
XPath with multiple conditions
...You can apply multiple conditions in xpath using and, or
//input[@class='_2zrpKA _1dBPDZ' and @type='text']
//input[@class='_2zrpKA _1dBPDZ' or @type='text']
share
|
improve this answer
...
How to execute a bash command stored as a string with quotes and asterisk [duplicate]
... escape * since it has special meaning when it's naked or in double quoted strings: use single quotes.
MYSQL='mysql AMORE -u username -ppassword -h localhost -e'
QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double"
eval $MYSQL "'$QUERY'"
Bonus: It also reads nice: eval mysql q...
How do I pass the this context to a function?
...
Javascripts .call() and .apply() methods allow you to set the context for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.ca...
Using pickle.dump - TypeError: must be str, not bytes
..., that's why you are here.
import pickle
class MyUser(object):
def __init__(self,name):
self.name = name
user = MyUser('Peter')
print("Before serialization: ")
print(user.name)
print("------------")
serialized = pickle.dumps(user)
filename = 'serialized.native'
with open(filename,...
How to extract a floating number from a string [duplicate]
I have a number of strings similar to Current Level: 13.4 db. and I would like to extract just the floating point number. I say floating and not decimal as it's sometimes whole. Can RegEx do this or is there a better way?
...