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Shell script while read line loop stops after the first line
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The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input file. As a result, you only see the first line processed, because ssh consumes the rest of the file and your while loop terminates.
To preve...
How do I remove a property from a JavaScript object?
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Another alternative is to use the Underscore.js library.
Note that _.pick() and _.omit() both return a copy of the object and don't directly modify the original object. Assigning the result to the original object should do the trick (not shown).
Reference: link _.pick(object, *keys)
Return...
How to manually create icns files using iconutil?
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The following files should exist: icon_16x16.png, icon_16x16@2x.png, icon_32x32.png, icon_32x32@2x.png, icon_128x128.png, icon_128x128@2x.png, icon_256x256.png, icon_256x256@2x.png. The @2x files should be stored at 144 pixels per inch while the others should be...
MLKitSegmenter 拓展：人像分割（抠图 / 换背景 / 背景虚化） · App Inventor 2 中文网
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二、抠出人像（背景透明）
when 按钮_抠图.Click() {
Segmenter1.ExtractPerson(图像选择器1.Selection)
}
输出是带透明通道的 PNG，可以叠在别的图上。
三、背景虚化
when 按钮_虚化.Click() {
Segmenter1....
Programmatically retrieve memory usage on iPhone
...icture of usage over-all.
#import <mach/mach.h>
// ...
void report_memory(void) {
struct task_basic_info info;
mach_msg_type_number_t size = TASK_BASIC_INFO_COUNT;
kern_return_t kerr = task_info(mach_task_self(),
TASK_BASIC_INFO,
...
check if variable is dataframe
...rame
Yes: isinstance(x, pd.DataFrame)
And don't even think about
if obj.__class__.__name__ = 'DataFrame':
expect_problems_some_day()
isinstance handles inheritance (see What are the differences between type() and isinstance()?). For example, it will tell you if a variable is a string (eithe...
How do I add a linker or compile flag in a CMake file?
...ou want to add those flags (better to declare them in a constant):
SET(GCC_COVERAGE_COMPILE_FLAGS "-fprofile-arcs -ftest-coverage")
SET(GCC_COVERAGE_LINK_FLAGS "-lgcov")
There are several ways to add them:
The easiest one (not clean, but easy and convenient, and works only for compile flags,...
How do I format a string using a dictionary in python-3.x?
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Python 3.2 introduced format_map. Similar to str.format(**mapping), except that mapping is used directly and not copied to a dict. This is useful if for example mapping is a dict subclass
– diapir
Jan 17 '15 at 14:...
How to count the number of set bits in a 32-bit integer?
... may need to adjust it to work for a particular language (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i = (...
Python: What OS am I running on?
...ion of Darwin that comes with Catalina 10.15.2: en.wikipedia.org/wiki/MacOS_Catalina#Release_history
– philshem
Aug 21 at 13:28
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