大约有 7,000 项符合查询结果（耗时：0.0362秒） [XML]
Is it a bad practice to use break in a for loop? [closed]
...mprove readability many languages (at least Java does) support breaking to labels which will greatly improve readability.
int[] iArray = new int[]{0,1,2,3,4,5,6,7,8,9};
int[] jArray = new int[]{0,1,2,3,4,5,6,7,8,9};
// label for i loop
iLoop: for (int i = 0; i < iArray.length; i++) {
// la...
How to make a great R reproducible example
...al.Width = c(0.2,
0.2, 0.2, 0.2), Species = structure(c(1L, 1L, 1L, 1L), .Label = c("setosa",
"versicolor", "virginica"), class = "factor")), .Names = c("Sepal.Length",
"Sepal.Width", "Petal.Length", "Petal.Width", "Species"), row.names = c(NA,
4L), class = "data.frame")
If your data frame has...
ggplot: How to increase spacing between faceted plots?
... This works without the grid package. In my experience the x labels of two side-by-side plots often overlap (the greatest label on the lhs and the smallest label on the rhs). One solution to fix the output is to ggsave with a greater width than the default. But I find theme(panel.spaci...
How to Disable landscape mode in Android?
...t.xml. For example:
<activity android:name=".SomeActivity"
android:label="@string/app_name"
android:screenOrientation="portrait" />
EDIT: Since this has become a super-popular answer, I feel very guilty as forcing portrait is rarely the right solution to the problems it's frequently...
Changing iframe src with Javascript
.... This will work for keyboard users.
I would also recommend adding <label> tags to the text of "Day", "Month", and "Year" to make them easier to click on. Example code:
<input id="day" name="calendarSelection" type="radio" onclick="go('http://calendar.zoho.com/embed/9a6054c98fd2ad4047...
Git: what is a dangling commit/blob and where do they come from?
...ollected, then we can't recover it.
NOTE that a branch name i.e. branch label is actually a reference to the latest commit on a branch i.e the tip of the branch. In the diagram above, featureX, master and HEAD are just references to specific commits. featureX and master labels refer to latest com...
Making Python loggers output all messages to stdout in addition to log file
...
This doesn't show labels INFO, DEBUG, and ERROR before the logging message in the console. It does show those labels in the file. Any ideas to also show the labels in the console ?
– JahMyst
Jan 20 '16 at...
How to style the option of an html “select” element?
...ect class="select2 form-control" placeholder="Country">
<optgroup label="Alaskan/Hawaiian Time Zone">
<option value="AK">Alaska</option>
<option value="HI">Hawaii</option>
</optgroup>
<optgroup label="Pacific Time Zone">
<option...
How do I handle the window close event in Tkinter?
...enu(root)
filemenu = tkinter.Menu(menubar, tearoff=0)
filemenu.add_command(label="Exit", command=root.destroy)
menubar.add_cascade(label="File", menu=filemenu)
root.config(menu=menubar)
# create a Text widget with a Scrollbar attached
txt = scrolledtext.ScrolledText(root, undo=True)
txt['font'] = (...
What is a NullReferenceException, and how do I fix it?
...oBoxItem Content="Item 3" />
</ComboBox>
<!-- Label declared later -->
<Label Name="label1"
Content="Label"
Margin="10" />
</Grid>
Here comboBox1 is created before label1. If comboBox1_SelectionChanged attempts to reference `lab...