大约有 22,000 项符合查询结果（耗时：0.0231秒） [XML]
Spring MVC: How to return image in @ResponseBody?
...E_PNG_VALUE)
public @ResponseBody byte[] showImageOnId(@PathVariable("id") String id) {
byte[] b = whatEverMethodUsedToObtainBytes(id);
return b;
}
In this case do rememeber to configure the messageconverters properly (and add a ByteArrayHttpMessageConverer) in your WebMvcConfig, like so:
...
Testing two JSON objects for equality ignoring child order in Java
...return false;
}
if (_children != null) {
for (Map.Entry<String, JsonNode> en : _children.entrySet()) {
String key = en.getKey();
JsonNode value = en.getValue();
JsonNode otherValue = other.get(key);
if (otherValue == null || !ot...
Benefits of header-only libraries
...is because the Windows API has functions which use either Unicode or ASCII strings and macros/defines which automagically use the correct types based on the project's Unicode settings. If you pass a string across the library boundary that is the wrong type then things break at runtime. Or you may fi...
How can you find and replace text in a file using the Windows command-line environment?
...
Replace - Replace a substring using string substitution
Description: To replace a substring with another string use the string substitution feature. The example shown here replaces all occurrences "teh" misspellings with "the" in the string variabl...
Parsing boolean values with argparse
...ou end up with both "False" and "True" considered True (due to a cast from string to bool?). Maybe related issue
– dolphin
Jul 20 '13 at 1:03
...
How can I add an item to a IEnumerable collection?
...ot necessarily represent a collection at all! For example:
IEnumerable<string> ReadLines()
{
string s;
do
{
s = Console.ReadLine();
yield return s;
} while (!string.IsNullOrEmpty(s));
}
IEnumerable<string> lines = ReadLines();
lines.Add("foo") //...
How do I create a parameterized SQL query? Why Should I?
...o parameters with Sql Server:
Public Function GetBarFooByBaz(ByVal Baz As String) As String
Dim sql As String = "SELECT foo FROM bar WHERE baz= @Baz"
Using cn As New SqlConnection("Your connection string here"), _
cmd As New SqlCommand(sql, cn)
cmd.Parameters.Add("@Baz", S...
What is the Simplest Way to Reverse an ArrayList?
...adding elements :
public class ListUtil {
public static void main(String[] args) {
ArrayList<String> arrayList = new ArrayList<String>();
arrayList.add("1");
arrayList.add("2");
arrayList.add("3");
arrayList.add("4");
arrayList.add...
Determine if running on a rooted device
...tMethod3();
}
private static boolean checkRootMethod1() {
String buildTags = android.os.Build.TAGS;
return buildTags != null && buildTags.contains("test-keys");
}
private static boolean checkRootMethod2() {
String[] paths = { "/system/app/Superuser.a...
How do I check if a variable exists?
...nd how do you turn the name of variable that possibly doesn't exist into a string?
– SilentGhost
May 9 '09 at 13:27
16
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