大约有 14,000 项符合查询结果（耗时：0.0278秒） [XML]
How can I open a cmd window in a specific location?
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this is nice idea and works, with just one exception: if it has sub folder named cmd
– user6169399
Jun 3 '16 at 2:59
1...
How to check whether a given string is valid JSON in Java
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A wild idea, try parsing it and catch the exception:
import org.json.*;
public boolean isJSONValid(String test) {
try {
new JSONObject(test);
} catch (JSONException ex) {
// edited, to include @Arthur's com...
matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
...running a particular script, similar to the one in the question. I have no idea why it occurs.
It works (refreshes the graphs) if I put
plt.clf()
plt.cla()
plt.close()
after every plt.show()
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“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
...after trying to build after deleting the contents of the derived data. Any Idea what went wrong?
– Srinivasan N
Jan 8 '15 at 7:04
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How to print without newline or space?
...can unbuffer all python output with python -u my.py. This is often a good idea if you want to watch progress in real-time.
– David Parks
Sep 15 at 23:30
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How to send HTTP request in java? [duplicate]
... but not) if you don't open an output stream and flush it first. I have no idea why this happens but will be great if someone can explain why?
– Gorky
Jan 18 '13 at 8:33
84
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Tools for making latex tables in R [closed]
...package to the mix as it produces nice looking regression tables.
Another Idea: Some of these packages (esp. memisc and apsrtable) allow easy extensions of the code to produce tables for different regression objects. One such example is the lme4 memisc code shown in the question. It might make sens...
Detect when an image fails to load in Javascript
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Any idea if there's a way to tell if it encounters a redirect?
– quickshiftin
Nov 18 '14 at 6:12
4
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Simplest way to wait some asynchronous tasks complete, in Javascript?
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Any idea how promisifyAll works..I've read docs but i dont get it is that how it handles functions that don't parameters like function abc(data){, because it's not like function abc(err, callback){... Basically i dont think all f...
Send and receive messages through NSNotificationCenter in Objective-C?
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It seems that all that observer idea doesn't cover all cases. this didn't work when the app. was closed and a notification form the notification centre got tapped. observer method doesn't get called.
– hasan
Jan 14 '15...