大约有 47,000 项符合查询结果(耗时:0.0776秒) [XML]
How to use `string.startsWith()` method ignoring the case?
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100
Use toUpperCase() or toLowerCase() to standardise your string before testing it.
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Catching java.lang.OutOfMemoryError?
...e to continue but that would definitely be a bad idea as you can never be 100% certain that the JVM is in a reparable state.
Demonstration that OutOfMemoryError does not mean that the JVM is out of memory in the catch block:
private static final int MEGABYTE = (1024*1024);
public static void runOu...
Clang vs GCC - which produces faster binaries? [closed]
...which these results pertain)
comprises at present around 11K LOC in about 90 files. It is coded,
now, in C++ that is rich in polymorphism and templates and but is still
mired in many patches by its not-so-distant past in hacked-together C.
Move semantics are not expressly exploited. It is single-thr...
Using an integer as a key in an associative array in JavaScript
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10 Answers
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Active
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jQuery UI Tabs - How to Get Currently Selected Tab Index
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20 Answers
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Find column whose name contains a specific string
... = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
spike_cols = [col for col in df.columns if 'spike' in col]
print(list(df.columns))
print(spike_cols)
Output:
['hey spke', 'no', 'spike-2', 'spiked-in']
['spike-2', 'spiked-in']
Explanat...
How can I debug javascript on Android?
...HOW JAVASCRIPT CONSOLE at the top of the Browser.
Currently in Android 4.0.3 (Ice Cream Sandwich), the logcat outputs to the browser channel. So you can filter using adb logcat browser:* *:S.
Original Answer
You can use the built in console JavaScript object to print log messages that you can ...
Writing a pandas DataFrame to CSV file
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1109
To delimit by a tab you can use the sep argument of to_csv:
df.to_csv(file_name, sep='\t')
T...
Illegal pattern character 'T' when parsing a date string to java.util.Date
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206
Update for Java 8 and higher
You can now simply do Instant.parse("2015-04-28T14:23:38.521Z") a...
How can I add numbers in a Bash script?
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1010
For integers:
Use arithmetic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2...
