大约有 44,000 项符合查询结果（耗时：0.0493秒） [XML]
Showing line numbers in IPython/Jupyter Notebooks
...er keyboard shortcuts.
In more details CTRL - M (or ESC) bring you to command mode, then pressing the L keys should toggle the visibility of current cell line numbers. In more recent notebook versions Shift-L should toggle for all cells.
If you can't remember the shortcut, bring up the command pal...
Mock HttpContext.Current in Test Init Method
...xt itself is fakeable just enough for you do replace the IPrincipal (User) and IIdentity.
The following code runs as expected, even in a console application:
HttpContext.Current = new HttpContext(
new HttpRequest("", "http://tempuri.org", ""),
new HttpResponse(new StringWriter())
);
/...
AngularJS - how to get an ngRepeat filtered result reference
... answered Jul 30 '12 at 13:12
Andrew JoslinAndrew Joslin
42.7k2020 gold badges9696 silver badges7575 bronze badges
...
What is the effect of encoding an image in base64?
...tring its becoming 500kb.Its not 37%.I have compressed a 5mb image to 70kb and then convert that compressed image to string that become 500kb.
– KJEjava48
Apr 19 '17 at 6:05
...
socket.emit() vs. socket.send()
...
I don't know, I checked the source code and they make almost the same (github.com/LearnBoost/socket.io/blob/master/lib/socket.js#L318). Maybe it's historical and just for backwards compatibility.
– Charles
Jul 20 '12 at 6:53
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Blank HTML SELECT without blank item in dropdown list
...
Just use disabled and/or hidden attributes:
<option selected disabled hidden style='display: none' value=''></option>
selected makes this option the default one.
disabled makes this option unclickable.
style='display: none' mak...
CSS border less than 1px [duplicate]
...ay also be used to simulate the same effect, without the need to calculate and manipulate RGB values.
.container {
border-style: solid;
border-width: 1px;
margin-bottom: 10px;
}
.border-100 { border-color: rgba(0,0,255,1); }
.border-75 { border-color: rgba(0,0,255,0.75); }
.border-50 {...
error opening HPROF file: IOException: Unknown HPROF Version
...
The hprof file you get from Android has android specific format. You should convert hprof file take from Android OS into standard hprof format. For this you can use hprof-conv tool that is located at AndroidSDK/tools/hprof-conv.
For example:
hprof-co...
Batch file to copy directories recursively
...
Look into xcopy, which will recursively copy files and subdirectories.
There are examples, 2/3 down the page. Of particular use is:
To copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type:
xcopy a: b: /s /e
...
Format number to always show 2 decimal places
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@Kooilnc: OP wants 1 to display as 1.00, and 1.341 to display as 1.34.
– drudge
May 26 '11 at 16:59
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