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What's the point of malloc(0)?
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Personally, I think setting to NULL is a better cross-platform strategy, since free() is guaranteed (by spec) to work fine on NULL as input.
– Reed Copsey
Jan 7 '10 at 17:50
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How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
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How to shrink the .git folder
My current base has a total size of approx. 200MB.
6 Answers
6
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How to grep a text file which contains some binary data?
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Note that this works in a pipeline as well. E.g. set | cat -v | grep variable
– funroll
Sep 28 '16 at 20:01
1
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Matplotlib - global legend and title aside subplots
...le", fontsize="x-large")
ax1 = fig.add_subplot(311)
ax1.plot([1,2,3])
ax1.set_title("ax1")
ax2 = fig.add_subplot(312)
ax2.plot([1,2,3])
ax2.set_title("ax2")
ax3 = fig.add_subplot(313)
ax3.plot([1,2,3])
ax3.set_title("ax3")
fig.tight_layout()
# shift subplots down:
st.set_y(0.95)
fig.subplots_ad...
Node.JS constant for platform-specific new line?
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hash function for string
...unction; they've been optimized heavily for common use-cases.
If your dataset is static, however, your best solution is probably to use a perfect hash. gperf will generate a perfect hash for you for a given dataset.
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How do I see the extensions loaded by PHP?
It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking.
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How do I clear only a few specific objects from the workspace?
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A useful way to remove a whole set of named-alike objects:
rm(list = ls()[grep("^tmp", ls())])
thereby removing all objects whose name begins with the string "tmp".
Edit: Following Gsee's comment, making use of the pattern argument:
rm(list = ls(patte...
Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
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I deleted them and instantly saved 58 MB which was not attributed in the Settings app to any particular app. I have a small device so 58 MB is very significant (about 40%).
So far, I have not gotten INSTALL_FAILED_INSUFFICIENT_STORAGE again after many runs. Let's hope that was the real issue, th...