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地图组件（高德地图） · App Inventor 2 中文网
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The LongClick event runs when the user presses and holds the 标记 and then releases it.
This event will only trigger if Draggable is 假 because it
uses the same gesture as StartDrag.
StartDrag()
The StartDrag event runs when the user presses and holds the 标记 and then proceeds to
mov...
How to detect if a script is being sourced
...ot work if you use bash to execute the script, e.g. $ bash script.sh then the $_ would be /bin/bash instead of ./script.sh, which is the case you expect, when the script is invoked in this way: $ ./script.sh In any case detecting with $_ is a problem.
– Wirawan Purw...
How to disassemble one single function using objdump?
... compiling with -ffunction-section which puts one function per section and then dumping the section.
Nicolas Clifton gave it a WONTFIX https://sourceware.org/ml/binutils/2015-07/msg00004.html , likely because the GDB workaround covers that use case.
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No submodule mapping found in .gitmodule for a path that's not a submodule
... the .gitmodule (like 'Classes/Support/Three20' in the original question), then you need to remove it, in order to avoid the "No submodule mapping found in .gitmodules for path" error message.
You can check all the entries in the index which are referencing submodules:
git ls-files --stage | grep ...
What does FETCH_HEAD in Git mean?
...s branch (it stores the SHA1 of the commit, just as branches do). git pull then invokes git merge, merging FETCH_HEAD into the current branch.
The result is exactly what you'd expect: the commit at the tip of the appropriate remote branch is merged into the commit at the tip of your current branch....
Fastest way to determine if record exists
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He nver stated that is was the PK, but if so then yes the optimizer would take that into account.
– Declan_K
Aug 7 '13 at 21:58
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How to create a self-signed certificate with OpenSSL
...65) you can replace with any number to affect the expiration date. It will then prompt you for things like "Country Name", but you can just hit Enter and accept the defaults.
Add -subj '/CN=localhost' to suppress questions about the contents of the certificate (replace localhost with your desired d...
For each row in an R dataframe
...about vectorizing is correct. If your getWellID() function is vectorized, then you can skip the loop and just use cat or write.csv:
write.csv(data.frame(wellid=getWellID(well$name, well$plate),
value1=well$value1, value2=well$value2), file=outputFile)
If getWellID() isn't vectorized, t...
Calculating frames per second in a game
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Then for fool-proofness and tidyness, you'd probably want something like float weightRatio = 0.1; and time = time * (1.0 - weightRatio) + last_frame * weightRatio
– korona
Nov 11 '08 at ...
simple explanation PHP OOP vs Procedural?
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OOP is nothing more than a design pattern. If you're just beginning then learn the basics by focusing on the procedural approach. Most importantly, get familiar with basic principles like loops, conditions and calling other procedures.
While you're creating your procedural code, make a habit...