大约有 4,700 项符合查询结果（耗时：0.0115秒） [XML]
How do I pass the this context to a function?
...avascripts .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.call(obj_a);
Which would alert FOO. The other way around, pass...
How to write string literals in python without having to escape them?
...of whatever is in the text file, even if it is;
' ''' """ “ \
Not fun or optimal, but can be useful, especially if you have 3 pages of code that would’ve needed character escaping.
share
|
...
What is Double Brace initialization in Java?
...
For a fun application of double brace initialization, see here Dwemthy’s Array in Java.
An excerpt
private static class IndustrialRaverMonkey
extends Creature.Base {{
life = 46;
strength = 35;
charisma = 91;
w...
How to show vertical line to wrap the line in Vim?
...;cr>
hi OverLength ctermbg=none cterm=none
match OverLength /\%>80v/
fun! s:LongLineHLToggle()
if !exists('w:longlinehl')
let w:longlinehl = matchadd('ErrorMsg', '.\%>80v', 0)
echo "Long lines highlighted"
else
call matchdelete(w:longlinehl)
unl w:longlinehl
echo "Long lines unh...
Where does Android emulator store SQLite database?
...
123
An update mentioned in the comments below:
You don't need to be on the DDMS perspective an...
Convert xlsx to csv in Linux with command line
...
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6,7.89,
2012/05/14,,
The,last,Line
To install on Ubuntu:
apt-get install gnumeric
To install on Mac:
brew install gnumeric
share
...
Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'
...
AdaTheDevAdaTheDev
123k2424 gold badges179179 silver badges181181 bronze badges
...
Is there a better way to run a command N times in bash?
...
123
Another simple way to hack it:
seq 20 | xargs -Iz echo "Hi there"
run echo 20 times.
Not...
Serialize an object to XML
...
123
I modified mine to return a string rather than use a ref variable like below.
public static s...
Practical non-image based CAPTCHA approaches?
...d with the number of seconds the page has been loaded for:
var antiSpam = function() {
if (document.getElementById("antiSpam")) {
a = document.getElementById("antiSpam");
if (isNaN(a.value) == true) {
a.value = 0;
} els...