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Proper use of 'yield return'
... Another example that might be interesting is when reading rather large CSV files. You want to read each element but you also want to extract your dependency away. Yield returning an IEnumerable<> will allow you to return each row and process each row individually. No need to read a 10 Mb f...
VideoRecorder 拓展:前台预览录制 + 后台无预览录制,支持分辨率、码率设...
...ocus
GetSupportedVideoQualities()
获取当前摄像头支持的画质列表
HasRecordAudioPermission()
检查是否有录音权限
RequestRecordAudioPermission()
打开系统应用权限设置页面,引导用户开启录音权限
VideoRecorder 方法
I...
Invalid postback or callback argument. Event validation is enabled using '
...qiueID]. And if multiple are selected the browser posts it the values as a csv. Note the items and selectedindex properties of the control will be wrong on the server since you've modified the itrmlist on the client which the server doesn't know about.
– Michael
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Get ffmpeg information in friendly way
..._entries stream=width,height,r_frame_rate,bit_rate,codec_name,duration -of csv=p=0:s=x video.mp4
results in:
h264x600x480x25/1x385.680000x542326
-select_streams v:0 selects only the video stream. If you remove that parameter you get one line for each stream.
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Rolling median algorithm in C
...e internally entirely different:
\describe{
\item{"Turlach"}{is the Härdle-Steiger
algorithm (see Ref.) as implemented by Berwin Turlach.
A tree algorithm is used, ensuring performance \eqn{O(n \log
k)}{O(n * log(k))} where \code{n <- length(x)} which is
asymptoti...
What does Provider in JAX-RS mean?
...ese providers control the mapping of data representations (like XML, JSON, CSV) to their Java object equivalents.
Context Providers
These providers control the context that resources can access via @Context annotations.
Exception Providers
These providers control the mapping of Java exceptions t...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...ll how to create a new one:
Create a new access key:
"Download the .csv key file, which contains the access key ID and secret access key.":
As for your other questions:
I'm not sure about MERCHANT_ID and MARKETPLACE_ID.
I believe your sandbox question was addressed by Amit's point that...
MySQL: Large VARCHAR vs. TEXT?
...links
MEDIUMTEXT
Case: large json bodies, short to medium length books, csv strings
LONGTEXT
Case: textbooks, programs, years of logs files, harry potter and the goblet of fire, scientific research logging
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How do I design a class in Python?
...e data: my_measurements.save('filename.pickle')
Consider using pandas.read_csv() instead of manually reading the text files.
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Multiple working directories with Git?
I'm not sure if this is something supported by Git, but in theory it seems like it should work to me.
4 Answers
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