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How do I get only directories using Get-ChildItem?
...tainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContainer } | Select-Object FullName
For PowerShell 3.0 and greater:
dir -Directory
...
@selector() in Swift?
... for: .touchUpInside)
view.perform(#selector(UIView.insertSubview(_:aboveSubview:)),
with: button, with: otherButton)
The great thing about this approach? A function reference is checked by the Swift compiler, so you can use the #selector expression only with class/method pair...
Convert Rows to columns using 'Pivot' in SQL Server
...) which allows doesn't require that you explicitly name the different "FOR ____ IN (...)"
– The Red Pea
Aug 13 '15 at 22:03
1
...
Learning Python from Ruby; Differences and Similarities
...at to the collection each method (if list supported this method):
def some_operation(value):
...
collection.each(some_operation)
That doesn't flow very nicely. So, typically the following non-functional approach would be used in Python:
for value in collection:
...
Using resources in a sa...
Why does volatile exist?
...one. Essentially we did this:
void waitForSemaphore()
{
volatile uint16_t* semPtr = WELL_KNOWN_SEM_ADDR;/*well known address to my semaphore*/
while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED);
}
Without volatile, the optimizer sees the loop as useless (The guy never sets the value! He's nuts, g...
Makefile, header dependencies
...or a simple version without build dirs see [codereview].
CXX = clang++
CXX_FLAGS = -Wfatal-errors -Wall -Wextra -Wpedantic -Wconversion -Wshadow
# Final binary
BIN = mybin
# Put all auto generated stuff to this build dir.
BUILD_DIR = ./build
# List of all .cpp source files.
CPP = main.cpp $(wildc...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
... a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in the binary representation of a class or interface. The CONSTANT_String_info structure gives the sequence of Unicode code points constituting the string literal.
The Java programming la...
git error: failed to push some refs to remote
For some reason, I can't push now, whereas I could do it yesterday.
Maybe I messed up with configs or something.
39 Answers...
Microbit 加速度传感器 · App Inventor 2 中文网
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Microbit 加速度传感器
Microbit_Accelerometer 组件允许用户配置 BBC micro:bit 的板载加速度计，并通过适当的方法接收一个或多个加速度计样本。
加速度计的报告速率（或周期）决定了数据发送到 App Inventor...
How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
Using the Google Geocoder v3, if I try to geocode 20 addresses, I get an OVER_QUERY_LIMIT unless I time them to be ~1 second apart, but then it takes 20 seconds before my markers are all placed.
...