大约有 34,900 项符合查询结果（耗时：0.0460秒） [XML]
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...other way beside the one given until now is to use unittest2 which is a back port of unittest new feature to python2.6, and you can make it work using the code above.
N.B: I'm a big fan of the new feature (SkipTest, test discovery ...) of unittest so I intend to use unittest2 as much as I can. I ad...
How to plot two histograms together in R?
...e numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
...
How should I call 3 functions in order to execute them one after the other?
...s
Asynchronous function, however, will not wait for each other. Let us look at the same code sample we had above, this time assuming that the functions are asynchronous
doSomething();
doSomethingElse();
doSomethingUsefulThisTime();
The functions will be initialized in order, but they will all ex...
How do I get the opposite (negation) of a Boolean in Python?
... edited Aug 11 '11 at 18:56
Mike Graham
60.5k1212 gold badges8484 silver badges119119 bronze badges
answered Aug 11 '11 at 18:16
...
How do I change the font size of a UILabel in Swift?
...
You can do it like this:
label.font = UIFont(name: label.font.fontName, size: 20)
Or like this:
label.font = label.font.withSize(20)
This will use the same font. 20 can be whatever size you want of course.
Note: The latter option will...
Why do all browsers' user agents start with “Mozilla/”?
...1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name .
Internet Explorer is released. It spoofs Netscape by starting its User-Agent with Mozilla/ because web servers were routinely browser sniffing and serving pages with frames - a feature supported by b...
best way to add license section to iOS settings bundle
... similar licenses, which requires me to include various bits of text, this kind of thing:
8 Answers
...
Parse large JSON file in Nodejs
... pump() {
var pos;
while ((pos = buf.indexOf('\n')) >= 0) { // keep going while there's a newline somewhere in the buffer
if (pos == 0) { // if there's more than one newline in a row, the buffer will now start with a newline
buf = buf.slice(1); // discard it
...
(grep) Regex to match non-ASCII characters?
... but they are all valid UTF-8 . One program has a bug that prevents it working with non-ASCII filenames, and I have to find out how many are affected. I was going to do this with find and then do a grep to print the non-ASCII characters, and then do a wc -l to find the number. It doesn't have...
Check if string contains only whitespace
...andling the empty string.
Alternatively, you could use str.strip() and check if the result is empty.
share
|
improve this answer
|
follow
|
...