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How to output something in PowerShell
..., if you call the script with redirected output, something like yourscript.ps1 > out.txt, you will get test2 on the screen test1\ntest3\n in the "out.txt".
Note that "test3" and the Write-Output line will always append a new line to your text and there is no way in PowerShell to stop this (that ...
How to debug a bash script? [closed]
...sts after they are expanded and before they are executed. The value of the PS4 variable is expanded and the resultant value is printed before the command and its expanded arguments.
That much does not seem to indicate different behaviour at all. I don't see any other relevant references to '-x' ...
Which is faster in Python: x**.5 or math.sqrt(x)?
...port math
N = 1000000
%%timeit
for i in range(N):
z=i**.5
10 loops, best of 3: 156 ms per loop
%%timeit
for i in range(N):
z=math.sqrt(i)
10 loops, best of 3: 91.1 ms per loop
Using Python 3.6.9 (notebook).
...
MaterialDialog 对话框增强扩展 · App Inventor 2 中文网
... 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Copying files from Docker container to host
...gen is the container name I got from the following command:
$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
1b4ad9311e93 bamos/openface "/bin/bash" 33 min...
Exploring Docker container's file system
...r /bin/bash
see Docker command line documentation
Alternate method 1
Snapshotting
You can evaluate container filesystem this way:
# find ID of your running container:
docker ps
# create image (snapshot) from container filesystem
docker commit 12345678904b5 mysnapshot
# explore this filesystem...
How do I remove the “extended attributes” on a file in Mac OS X?
...23\ at\ 010212.png
# com.apple.FinderInfo
# com.apple.lastuseddate#PS
# com.apple.metadata:kMDItemIsScreenCapture
# com.apple.metadata:kMDItemScreenCaptureGlobalRect
# com.apple.metadata:kMDItemScreenCaptureType
2. Pick a Key to delete.
xattr -d com.apple.lastuseddate#PS ~/Des...
Force Java timezone as GMT/UTC
...Cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
PreparedStatement ps = conn.createPreparedStatement("update ...");
ps.setDate("DateColumn", dateValue, tzCal);
// Other assignments
ps.executeUpdate();
These will ensure that the value stored in the database is consistent when the database c...
How can I extract embedded fonts from a PDF as valid font files?
...y they include just the subset of glyphs used in the document.
Using pdftops
One of the most frequently used methods to do this on *nix systems consists of the following steps:
Convert the PDF to PostScript, for example by using XPDF's pdftops (on Windows: pdftops.exe helper program.
Now fonts wil...
Configure Flask dev server to be visible across the network
...--host=0.0.0.0 This tells your operating system to listen on
all public IPs.
Reference: http://flask.pocoo.org/docs/0.11/quickstart/
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